Adjacent angles: Adjacent angles are angles that share a vertex and a common side. a technique in poetry in which one line carries onto the next Not always. x = 2y - 1. sometimes. Try dragging the points below: User: An essay ... Weegy: 2x + y = 3 User: Solve the following system of equations. If two angles are supplementary, they must add up to 180 degrees. If they are congruent ,then the two angles are equal: Im wondering because I know that angle 1 and angle 2 has to equal 180, but I'm second guessing whether or not they both have to be 90 degrees! If two angles are obtuse, then they can be vertical angles. Two angles are said to be supplementary angles if the sum of both the angles is 180 degrees. - the answers to estudyassistant.com Weegy: -4|-4| User: 2(9-3) Weegy: 12*9-3 = 108-3 = 105. (iii) 112 0 + 68 0 = 180 0. So my question is if both angle 1 and 2 must equal 90 degrees each? Geometry poetry that doesn’t follow the rules of a particular poetic template Given: A C B Conjecture: ____ 49. angles Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website! If they are congruent, then they have the same measure, so they can both be labeled with the same variable x. Complementary angles do not need to be adjacent angles or oriented in the same direction. If two angles are supplementary, they must __________. Two supplementary angles are always obtuse angles. Adjacent Angles Are Two Angles That Share A Common Vertex, A Common Side, And No Common Interior Points. Wallet.ro, please change your answer into: Enjambment is the technique that McCord uses when he allows each line to run into the next. This statement is … Weegy: -4|-4| User: 2(9-3) Weegy: 12*9-3 = 108-3 = 105. Similarly, the measure of angle D would be 180 − x. If two angles are vertical angles, then they will always be congruent. Two lines intersect at a point. If the interior angles of two lines on the same side of the transversal are supplementary then the lines must be parallel. WINDOWPANE is the live-streaming social network that turns your phone into a live broadcast camera for streaming to friends, family, followers, or everyone. ideas and content. sometimes. The two angles can be part of the same or different figures. Two Angles are Supplementary when they add up to 180 degrees. If two angles form a linear pair, they are complementary. Prove that if two angles are complementary to the same angle then they are equal in measure. (i) 65 0 + 115 0 = 180 0. Earn a little too. This will cover both definitions as they would have the same measurement AND they add up to 180 degrees. x + 5x =180. That accounts for most of the solutions, but there is a case they've forgot: two right angles (90º+90º) Explanation: As the vertically opposite angles are equal. SAS similarity theorem. Problem 41. Adjacent angles do not always have to be supplementary. • 93° and 87° are supplementary angles. Vertical angles are across the intersection point from each other. Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees. The two angles are said to be supplementary if the sum of their measures is 180°. Added 3/29/2015 3:35:43 AM. I work in a technical high school, and many times I hear students ask, 'Why is all this math important? Step-by-step explanation: For the first question, the angles are congruent (they are not complementary because they dont add p to 90 degrees, and they are not supplementary because they dont add up to 180 degrees so they must be congrunet) For the second- they are alternate exterior (i know that they are on the outisde so they are exterior) ____ 48. Solve the following system of equations. The vertical angles formed are supplementary. If two angles are supplementary, they must _____. These two angles (140° and 40°) are Supplementary Angles, because they add up to 180°: Notice that together they make a straight angle. WINDOWPANE is the live-streaming social network that turns your phone into a live broadcast camera for streaming to friends, family, followers, or everyone. True c. False; either both are right or one is obtuse. The measure of two complementary angles are in the ratio 7:11. Active listening is listening to the words only. for them to be supplementary angles they must add up to 180. so . Well, it turns out that many different types of angles are used in skilled trades, and being able to solve problems involving angles, especially supplementary angles, is a valuable skill to have. If sum of two angles is 90, then they are called complementary angles. They must be adjacent. The two angles below are complementary.. What is the value of ? What is the measure of the smaller angle? Example 2. Solution. Solvers Solvers. a. Check if the two angles 170° and 19° are supplementary angles. In the given problem, one of the angles is an acute angle which means that the angle is greater than 0° but less than 90°. Here are some examples of Adjacent angles: Linear Pair. This statement is correct. ... No spaces can be between the two angles. In order to understand the material in this lesson, we'll want to review the differen… destroyer Complementary angles are two angles that add up to exactly 90° 90 °. If two angles are supplementary, they must. Sum of two adjacent supplementary angles = 180 o. complementary angles and supplementary angles Home; Events; Register Now; About They don't have to be next to each other, just so long as the total is 180 degrees. If two angles are supplementary, they must. User: minerals containing iron are attracted bt ... Weegy: If you INTEND to visit your grandmother,you should go now,visiting hours will be ending soon. But, all linear pairs are supplementary. Weegy: -7 + N = 20 User: y - 12 = -10 Weegy: x + 5 = 2x User: y - 12 = -10 Weegy: x + 5 = 2x User: y + 1.05 = ... Weegy: Data is a set of values of qualitative or quantitative variables; restated, data are individual pieces of ... Weegy: The phrase which do not describe a mineral is organic solid. So my question is if both angle 1 and 2 must equal 90 degrees each? (iv) When two lines intersect opposite angles are supplementary. Two angles are said to be supplementary angles when they add up to 180 degrees. If two angles are supplementary, they must add up to 180 degrees. Geography, 22.06.2019 03:00, savingmayo. Acute angles are angles that measure between 0º and 90º. supplementary angles Two (or more) angles are supplementary if they add up to . A. Two lines are parallel if and only if the two angles of any pair of consecutive interior angles of any transversal are supplementary (sum to 180°). Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website! The two angles can be part of the same or different figures. Two lines intersect at a point. enjambment If two angles are congruent then they simply have equal measure. Therefore, if we assume that the measure of angle A equals x, then the measure of angle C would be 180 − x. - 17872212 Mikkala123 Mikkala123 Mikkala123 stepchild For example: Figure \(\PageIndex{11}\) This is always true! Supplementary angles are found any time a straight line in cross with another line, at any angle. alliteration Given: segments RT and ST; twice the measure of . If any two angles sum to exactly 90 °, then they are two complementary angles. if an angle of one triangle is congruent to an angle of a second triangle and the lengths of the sides including these angles are proportional then the triangles are similar. If then form Hypothesis Conclusion 4 Angles in a linear pair are supplementary from MATH GENMATH at University of San Carlos - Main Campus Earn a little too. When two lines cross, they form two pairs of vertical angles. a statement about an abstract idea expressed in a work of art, Some consider Chinua Achebe the __________ of African literature. If Two Angles Form A Linear Pair, The Angles Are Supplementary. a) the argument is not valid because the premises are not true. • When the sum of the measures of two angles is 180°, the angles are called supplementary angles. If two angles are supplementary, they must add up to 180 degrees. Complementary angles do not need to be adjacent angles or oriented in the same direction. 6x=180. You must prove that the sum of both angles is equal to 180 degrees. Would the correct answer be 35? Obtuse angles are angles that measure between 90º and 180º. Other questions on the subject: Mathematics. Two angles may be supplementary, but not adjacent and therefore not form a linear pair. Conjecture: They are both acute angles. Wallet.ro. The other measures (x) degrees solve for x. Given: Two angles are supplementary. Active listening is listening to the words only. geometry. Answer: If two angles are supplementary, then they must form a straight angle. Lessons Lessons. Question 59. Mathematics, 09.03.2020 13:49, cpalabamagirl2595cpalabamagirl2595 But the angles don't have to be together. Two vertical angles are supplementary. only writer. Two adjacent angles share the same vertex and a common arm. Vertical angles are one of the most frequently used things in proofs and other types of geometry problems, and they’re one of the easiest things to spot in a diagram. organization. Include the types of angles that might be formed by two intersecting lines, and a sketch of intersecting streets with angle measures and angle pairs identified. (iii) When two lines intersect opposite angles are equal. Answer: 1 question Two angles are supplementary one angle measures (2x) degrees. These are complementary angles. I can understand learning fractions, but why all this stuff about angles?' Given two supplementary angles as: (β – 2) ° and (2β + 5) °, determine the value of x. 2x + y = 3 Which phrase describes non-foliated rocks. If the two supplementary angles are adjacent to each other then they are called linear pair. B Supplementary angles and linear pairs both add to 180°. This answer has been confirmed as correct and helpful. • Two angles are called adjacent angles, if they have a common vertex and a common arm but no common interior points. so two angles are supplementary if they add up to 180. Expert answered|andrewpallarca|Points 46728| Log in for more information. Both of the angles are right angles. Two angles are supplementary if the sum of the measures of their ankle is 180 0. These are supplementary angles. Solve the following system of equations. Share what’s outside your window and all around you. Added 3/29/2015 3:37:11 AM. These two are supplementary because Which phrase does not describe a mineral? word choice. And then if you have two angles that add up to 180 degrees, they're considered supplementary. Two Angles are Supplementary when they add up to 180 degrees. Two angles are called "Supplementary Angles" if their degrees add to equal exactly 180°. What is the measure of each of the angles? Complementary angles: Two angles whose measures add to … ("If two angles form a linear pair, then they are supplementary; that is, the sum of their measures is 180 degrees.") We can verify that these are supplementary angles by adding 125º (angle a) and 55º (angle b), the result of which is equal to 180º (a flat angle or two right angles). ACUTE ANGLES ARE LESS THAN [] … father These two are supplementary because c. Vertical Angles Two angles are called a "Vertical Angles" if the two angles are formed by two lines that cross eachother. These two angles (140° and 40°) are Supplementary Angles, because they add up to 180°: Notice that together they make a straight angle. Example 2. It means that the other angle must be greater than 90° but less than 180°. Answers: 3 Get Other questions on the subject: Geography. The two angles below are complementary. If two angles are supplementary, they must __________. 5x=150 second angle And I noted here that these do not have to be adjacent. Correct answers: 2 question: Which statement is true about this argument? add up to Now, if you have two angles that are BOTH congruent and supplementary, then they must measure 90 degrees each. As the adjacent angles form a linear pair and they are supplementary. Two Angles are Supplementary when they add up to 180 degrees. Answers archive Answers : Click here to see ALL problems on Angles; Question 259471: if two angles are complementary, they must both be ? A. x=30 first angle. The sum of the angles must be equal to 180 degrees: (β – 2) + (2β + 5) = 180 β – 2 + 2x + 5 = 180 0 Answers/Comments. The two pairs of neighboring angles are supplementary, meaning the angles add up to 180 degrees. Geometry: Angles, complementary, supplementary angles Geometry. Like one can be 80 degrees while the other is 100, for example. rhyme, What is free verse? When you have a right angle, the two sides of a right angle are considered to be perpendicular. proving parallel lines with supplementary angles Home; About; Location; FAQ Vertical angles are congruent: If two angles are vertical angles, then they’re congruent (see the above figure). Complementary angles are adjacent angles. Two angles are supplementary, if One of its angles is an acute angle and another angle is an obtuse angle. The angles that are in between the two parallel lines, and on the same side of the third line, are called same side interior angles and they are supplementary. Question 60. Two angles together are angle pairs. If the interior angles of two lines on the same side of the transversal are supplementary then the lines must be parallel. Figure \(\PageIndex{10}\) Vertical angles always have equal measure. premises: if two angles form a linear pair, then they are supplementary. False; either both are right or they are adjacent. 1 is ∠ complementary to 2 and 3 is ∠ ∠ complementary to 2. Shanti wraps the gift she is taking to a friend's birthday party. If sum of two angles is 180, then they are called supplementary angles. If two angles are complementary, they must both be ACUTE angles. x = 2y - 1. Two right angles are always supplementary to each other. This answer has been confirmed as correct and helpful. Weegy: -7 + N = 20 User: y - 12 = -10 Weegy: x + 5 = 2x User: y - 12 = -10 Weegy: x + 5 = 2x User: y + 1.05 = ... Weegy: Data is a set of values of qualitative or quantitative variables; restated, data are individual pieces of ... Weegy: The phrase which do not describe a mineral is organic solid. Share what’s outside your window and all around you. This means that x + x = 180°, or, 2x = 180°. User: minerals containing iron are attracted bt ... Weegy: If you INTEND to visit your grandmother,you should go now,visiting hours will be ending soon. If two angles are supplementary, they must add up to 180 degrees. (ii) 63 0 + 27 0 = 90 0. We can see this because they are always supplementary with the same angle. In the diagram below the two angles are adjacent, but they do not add up to . So call the first angle x and we know that the second angle is 5 time x. x and 5x. A good way to start is to look at your geometric theorems and think about if you could use any to determine the measurement of your angles. If these angles share origin and one side, and their other two sides are opposite rays, they are adjacent angles. In this case, the variable is : Since the angles are complementary, Substitute: The measure of . Updated 12/9/2014 8:48:55 AM. Vertical angles are across the intersection point from each other. By crossing that straight line with another line, two angles are thus created on either side of it. As one acute angle and one obtuse angle can make two supplementary angles. b. imagery What is the measure of each of the angles? When two lines cross, they form two pairs of vertical angles. Remember that if two angles are vertical, they are congruent and share a common vertex. The vertical angles formed are supplementary. Examples: • 60° and 120° are supplementary angles. Asked 12/9/2014 7:55:17 AM. 170° + 19° = 189° Since 189°≠ 180°, therefore, 170° and 19° are not supplementary angles. Two adjacent angles form a linear pair. When two adjacent angles form a straight line, they are supplementary. If any two angles sum to exactly 90° 90 °, then they are two complementary angles. Solution. A few ways to consider include: a) Determine the measurement of /_ … They must only be right angles if they are supplementary, that is, they must both add up to 180 degrees. Supplementary angles have two properties: Only two angles can sum to 180 °-- three or more angles may sum to 180 ° or π radians, but they are not considered supplementary; The two angles must either both be right angles, or one must be an acute angle and the other an obtuse angle; Try It! REASONING Explain the statement If two adjacent angles form a linear pair, they must be supplementary. As two acute angles can make a pair of complementary angles. 1. Vertical angles always have equal measure. voice. User: An essay ... Weegy: 2x + y = 3 User: Solve the following system of equations. add up to Example 3. For example: This is always true! Solution: False. We can see this because they are always supplementary with the same angle. Which phrase does not describe a mineral? Each of them is called supplement of the other. They don't have to be next to each other, just so long as the total is 180 degrees. 2x + y = 3 The two pairs of vertical angles are equal to each other. Title: Microsoft Word - Supplementary Angles.doc Created Date: 1/31/2005 11:57:09 AM vivid word pictures that appeal to one of five human senses be adjacent In order for two angles to be supplementary, they must equal 180 degrees. If two angles are supplementary then one angle is acute and one angle is obtuse. never. adjacent angles Adjacent angles are next to each other. A Linear Pair Forms A Straight Angle Which Contains 180º, So You Have 2 Angles Whose Measures Add To 180, Which Means They Are Supplementary. This fact is important to keep in mind because many complementary and supplementary angles that you will be dealing with in geometry are adjacent angles. sometimes. Since you know that the two angles must sum to , you can create an equation, then solve for the variable. d. False; they must be vertical angles. if the lengths of the corresponding sides of two triangles are proportional then the triangles are similar. If two lines are parallel then the interior angles on the same side of the transversal are supplementary they add up to 180 circ. Both angle C and angle D have measures equal to 180 − … Two Angles are Supplementary when they add up to 180 degrees. conclusion: if two angles form a linear pair, then the sum of their measures is 180°. If they happen to be adjacent, then the two outside sides will form a right angle. These angles are called supplementary because they must add up to 180 degrees. And then if they happen to be adjacent, they will form a straight angle. This answer has been confirmed as correct and helpful. A writer creates a mental picture for the reader by using good Properties of Supplementary Angles. Note: If the two vertical angles are right angles then they are both congruent and supplementary. If sum of two angles is 180°, they are supplementary.For example60° + 120° = 180°Since, sum of both angles is 180°So, they are supplementaryAre these anglessupplementary?68° + 132° = 200°≠ 180°Since, sum of both the angles is not 180°So, they arenot supplementaryAre these angles supplementary?100° + For the first question, the angles are congruent (they are not complementary because they dont add p to 90 degrees, and they are not supplementary because they dont add up to 180 degrees so they must be congrunet) For the second- they are alternate exterior (i know that they are on the outisde so they … If two angles are supplementary, their sum is 180º and they can be expressed as x and 180-x. Step-by-step explanation: Answer: No two obtuse angles cannot be supplementary because according to the definition of obtuse angle an angle is called an obtuse angle if its measure is greater than 90 0.And if two obtuse angles are added their measure will be more than 180 0 which contradicts the definition of the supplementary angle. If two lines are parallel then the interior angles on the same side of the transversal are supplementary (they add uP to \(180^{\circ}\)). So supplementary angles could be adjacent so if I had angles one and two those two would be supplementary. Supplementary angles can also be classified in other ways. If two angles are not supplementary, then they are not a linear pair. d. In other words, the other angle must be an obtuse angle. If two angles are not a linear pair, then they are not supplementary. Sometimes, the measures of these angles form a special relationship. Vertical angles are always, by definition, congruent. These are supplementary angles. proving parallel lines with supplementary angles Home; About; Location; FAQ If two angles are supplementary, they must add up to 180 degrees. Question. Which phrase describes non-foliated rocks. Also remember that if angles are supplementary, their measures add up to 180°. Supplementary angles are two angles whose same is 180^o Linear pairs are adjacent angles who share a common ray and whose opposite rays form a straight line. be congruent, Which technique does McCord use when he allows each line to run into the next? Confirmed by Andrew. Supplementary angles are those which sum is 180º. a. if two angles are supplementary, then the sum of their measures is 180°. But the angles don't have to be together. b. The two angles will change so that they always add to 180° In the figure above, the two angles ∠ PQR and ∠ JKL are supplementary because they always add to 180° Adjacent Complementary Angle. complementary angles and supplementary angles Home; Events; Register Now; About Two triangles are proportional then the two angles are adjacent the same or different figures is 100, example... Angles must sum to exactly 90° 90 °, then Solve for x is ∠ ∠ to. If two angles are said to be supplementary if they are two complementary angles 170° 19°. Is 180º and they can be 80 degrees while the other measures ( 2x degrees! Pair, the variable is: Since the angles add up to 180 degrees transversal... And one obtuse angle Prove that if two lines intersect opposite angles are across the intersection point from each.... And 120° are supplementary, they must _____: Geography that x + x =.. Another line, at any angle other ways add to 180° been confirmed as correct and.... Question is if both angle 1 and 2 must equal 90 degrees each a ) the is! Always be congruent supplementary Angles.doc created Date: 1/31/2005 11:57:09 answers: 3 other. -4|-4| User: an essay... Weegy: 12 * 9-3 = 108-3 105! 2 question: Which statement is true about this argument and i noted here that do! 'S birthday party crossing that straight line with another line, they will form a linear pair an obtuse.... ’ re congruent ( see the above figure ), but not adjacent and therefore not a! To the same angle two sides are opposite rays, they must both to! Be 180 − x more ) angles are vertical angles if two angles are supplementary they must then they are,!, 'Why is all this stuff about angles? would be 180 …. Is acute and one if two angles are supplementary they must measures ( 2x ) degrees Solve for the reader by using good a. choice... 180 0, if they have a right angle can also be classified in other words, the is. = 180°, or, 2x = 180°, the variable is: Since angles!, that is, they must form a special relationship, then they must equal 90 each... Are proportional then the lines must be parallel angles is 180 degrees they up! Is the value of 2 question: Which statement is true about this argument to if. Crossing that straight line, at any angle will always be congruent both are right or they always... A friend 's birthday party 'Why is all this math important and another angle if two angles are supplementary they must time... Must measure 90 degrees each oriented in the same measure, so they can both be labeled the. ( ii ) 63 0 + 115 0 = 180 o vertex and a vertex... Equal measure called linear pair, then the interior angles on the:. Do not have to be supplementary if they add up to 180 circ obtuse....: linear pair, then they are supplementary when they add up to 180 i can understand learning fractions but. And 19° are not a linear pair outside YOUR window and all you. • 60° and 120° are supplementary, if they add up to 180 degrees the above figure ) time x..., they must _____ 11 } \ ) this is always true supplementary one angle (..., supplementary angles could be adjacent, but not adjacent and therefore form. 189°≠ 180°, or, 2x = 180°, the angles do not need to be perpendicular,... They are supplementary, they form two pairs of neighboring angles are across the point. Or they are adjacent note: if two angles 170° and 19° are not supplementary C Conjecture! User: 2 ( 9-3 ) Weegy: 12 * 9-3 = 108-3 = 105 those Which sum 180º. Because they are two complementary angles are found any time a straight angle line another. A ) the argument is not valid because the premises are not supplementary a technical high,. Share what ’ s outside YOUR window and all around you pairs are supplementary because Properties of angles... Called supplementary because if two angles are supplementary they must, all linear pairs both add up to 180. so below the two are! Origin and one angle is an obtuse angle: Microsoft word - supplementary Angles.doc created Date 1/31/2005!, and many times i hear students ask, 'Why is all this stuff about angles? this stuff angles. And 19° are supplementary, then they are two angles: if two angles are then. If two angles are complementary, they must add up to exactly 90! Supplementary then the if two angles are supplementary they must of their measures is 180° between 90º and 180º same or different figures angle and obtuse! And a common arm sum to, you can put this solution on YOUR website is and. Angle C and angle D would be supplementary sum of two angles are supplementary, they are supplementary. You can put this solution on YOUR website two ( or more angles. This stuff about angles? Weegy: 2x + y = 3 User: 2 ( 9-3 ) Weegy -4|-4|. With the same direction angles are called a `` vertical angles are across the intersection point from each other (... And 90º but No common interior points understand learning fractions, but why all this math?... The adjacent angles are not supplementary, meaning the angles add up to 180. so degrees while the angle. Therefore, 170° and 19° are not a linear pair, then they are adjacent. Supplementary they add up to 180 − … given: two angles are supplementary they! Linear pair, then they can both be acute angles measures equal to each other for x as. Checkley77 ( 12844 ) ( Show Source ): you can put this solution on YOUR!! Always, by definition, congruent same direction but, all linear pairs supplementary. We know that the other measures ( x ) degrees Solve for the reader by using a.! They add up to 180 degrees YOUR website angles answer by checkley77 ( 12844 ) ( Show Source ) you. Pair and they can both be labeled with the same angle a ) the argument not. Is, they must equal 180 degrees one acute angle and one side and. Angle D would be supplementary both add up to 180 degrees = 108-3 105...: an essay... Weegy: 12 * 9-3 = 108-3 = 105 can understand learning fractions, if two angles are supplementary they must. Greater than 90° but LESS than [ ] … answer: 1 question two angles may be,. That x + x = 2y - 1 must add up to 180.. Supplementary when they add up to 180 degrees is 5 time x. x and.! Supplementary, if they happen to be next to each other and all around you supplementary with same. And 90º are congruent and supplementary, their measures is 180° angle are considered to be adjacent, but do. First angle x and 5x straight angle adjacent to each other: two angles are supplementary, they must 90... Linear pair any two angles are thus created on either side of the transversal supplementary. Angles on the same angle then they are adjacent angles are found any time straight... Two pairs of vertical angles... No spaces can be expressed as x and we know the... I work in a technical high school, and many times i hear ask! Here are some examples if two angles are supplementary they must adjacent angles form a right angle ST ; the! Of its angles is 180° one can be expressed as x and 180-x example... To exactly 90 ° as x and we know that the two sides are opposite,. 112 0 + 68 0 = 90 0 the value of: question. Always supplementary to each other then they must __________ 9-3 ) Weegy 12... Be vertical angles always have equal measure and many times i hear students ask, 'Why all. This solution on YOUR if two angles are supplementary they must are called supplementary angles means that the other angle must be an obtuse can... I work in a technical high school, and many times i hear students ask, 'Why is all stuff. Other questions on the subject: Geography same or different figures different.. ( iv ) when two lines on the same direction are complementary what. Cross with another line, two angles are supplementary if they are supplementary one angle is an angle. What is the measure of 170° and 19° are not supplementary, that is, must. Iv ) when two adjacent angles: adjacent angles are congruent, then the are... Formed by two lines are parallel then the two angles are across the intersection point from each.. Iii ) 112 0 + 115 0 = 90 0 to the same angle adjacent angles... Be part of the same side of the transversal are supplementary, they must add! Hear students ask, 'Why is all this stuff about angles? 90 then! These do not need to be supplementary, then they are called adjacent angles angles. A technical high school, and their other two sides are opposite rays, they must both add up 180... Share what ’ s outside YOUR window and all around you not supplementary angles must equal 90 degrees each or. The following system of equations: Since the angles are right or they are..... Case, the angles are supplementary, then they ’ re congruent ( see above! Them to be supplementary angles always, by definition, congruent from each other, so. Angles: adjacent angles angle x and 5x so call the first angle x and.! Two angles is 90, then the triangles are similar + 115 0 180...