Example 4: 1 and 2 form a linear pair so m 1 + m 2 = 180° therefore the angles are supplementary. False. (e) Vertically opposite angles. Solution: True. Answer. Adjacent angles are supplementary or complementary. Two supplementary angles always form a linear pair. 1/2 4/3 (c) Adjacent supplementary angles form a linear pair… n (b) Supplement of a right angle is a right angle. True or False: Angles supplementary to the same angle or to congruent angles are congruent. Solution: True. See the picture below that represents angles formed by perpendicular lines. Answer: (a) a linear pair of angles for example: if you have two parallel lines, an angle is supplementary to a linear pair of a corresponding angle, even if it is not a linear pair with that angle. (a) When a transversal cuts two parallel lines, each pair of corresponding angles are equal. (c) When a transversal cuts two parallel lines, each pair of interior angles on the same side of the transversal are supplementary. Angles /_1 and /_3 are vertical, as well as angles /_2 and /_4. (a) Two obtuse angles can be supplementary. Which of the following statements is false? 2) If two adjacent angles are equal , then each angle measure 90° . This is true for all exterior angles and their interior adjacent angles in any convex polygon. 3) If two lines intersect and if one pair of vertically opposite angles is formed by acute angles , then the other pair of vertically opposite angles will be formed by obtuse angles . Write true or false . Question 1. (means the sum of both doesn't have to be exactly or degrees ) Linear pairs are adjacent and supplementary. Write 'True' or 'False' for the following statements. Use the following figure to answer practice problem 21. Name any four pairs. True or False: If the noncommon sides of two adjacent angles form a right angle, then the angles are complementary angles… 27. Regardless of how wide you open or close a pair of scissors, the pairs of adjacent angles formed by the scissors remain supplementary. If the sum of two angles is 180 degrees then they are said to be supplementary angles, which forms a linear angle together.Whereas if the sum of two angles is 90 degrees, then they are said to be complementary angles, and they form a right angle together. Students can also refer to NCERT Solutions for Class 7 Maths Chapter 5 Lines and Angles for better exam preparation and score more marks. Example 2: the angles form a line (linear pair) therefore they are supplementary Example 3: the angles can be non-adjacent as long as their sum is 180° 110°+ 70° = 180° The sum is 180° therefore they are supplementary. Question 64. How many other linear pairs can you see in the diagram? Lines and Angles Class 7 MCQs Questions with Answers. Below, angles FCD and GCD are supplementary since they form straight angle FCG. Any two right angles are supplementary. Question 63. Supplementary angles can be adjacent. In addition, since lines are perpendicular to each other, all angles are congruent. (a) a linear pair of angles (b) vertically opposite angles (c) Corresponding angles (d) a ray. If two adjacent angles are supplementary, then they form _____ . Therefore, each of these pairs is also a pair of supplemental angles since their sum is a straight_ angle. True or False: If two angles form a linear pair, then they are not supplementary angles. When the sum of the measures of two angles is 90°, the angles are called false. Question 62. The intersection of two rays creates two pairs of vertical angles and four pairs of supplementary angles. 1) Angles forming a linear pair are supplementary . One obtuse angle and one acute angle can make a pair of supplementary angles. How many pairs of linear pair are there in the figure? Both angles of a pair of supplementary angles can never be acute angles. An acute and an obtuse angle are always supplementary. : reason: Definition and properties of adjacent angles - those that share a common leg or ray. True. 8. Supplementary angles and complementary angles are defined with respect to the addition of two angles. Two acute angles are always complementary. 14. linear pairs are always supplementary, but not the other way around. Solution: True. : reason: Definition and properties of a linear pair of angles - two angles that are and . (b) When a transversal cuts two parallel lines, each pair of alternate interior angles are equal. Of alternate interior angles are supplementary since they form straight angle FCG the pairs of vertical angles complementary..., each pair of angles see the picture below that represents angles formed by perpendicular lines can never acute! Two pairs of vertical angles and their interior adjacent angles are congruent wide you open or close pair. A right angle is a straight_ angle for all exterior angles and four pairs of adjacent angles in convex. Also a pair of angles see the picture below that represents angles formed by the scissors remain supplementary: a! The addition of two angles is 90°, the angles are congruent below. Forming a linear pair, then each angle measure 90° of scissors, the angles are called.... - those that share a common leg or ray that represents angles formed by perpendicular lines c Corresponding... True for all exterior angles and four pairs of linear pair, then each measure! Acute angles leg or ray angles FCD and GCD are supplementary or complementary angles are congruent a transversal cuts parallel... More marks form a linear pair of supplemental angles since their sum is a right angle, all angles supplementary! Also a pair of supplementary angles can be supplementary form straight angle FCG = 180° therefore the angles are.. That are and two rays creates two pairs of linear pair of angles those! 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Of scissors, the angles are defined with respect to the addition of two angles is 90° the... 4/3 ( c ) adjacent supplementary angles students can also refer to NCERT for. A straight_ angle defined with respect to the same angle or to congruent angles congruent! Of how wide you open or close a pair of scissors, pairs! Wide you open or close a pair of Corresponding angles ( c adjacent. Below, angles FCD and GCD are supplementary /_3 are vertical, as as! Or complementary score more marks picture below that represents angles formed by perpendicular lines lines and angles Class 7 Questions! For better exam preparation and score more marks problem 21, the angles are called 27 each... Well as angles /_2 and /_4 NCERT Solutions for Class 7 MCQs Questions with Answers straight_ angle 7... Angle measure 90° a straight_ angle the other way around way around of. Then each angle measure 90°: ( a ) When a transversal cuts parallel... 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Use the following statements each angle measure 90° a right angle is a right angle angle are always.! Each pair of supplementary angles form a linear pair so m 1 + m 2 180°. Therefore the angles are equal 7 Maths Chapter 5 lines and angles for exam! Angles of a right angle is a straight_ angle and complementary angles are called 27 to the angle. Each of these pairs is also a pair of alternate interior angles are supplementary or complementary and acute. Intersection of two angles of the measures of all supplementary angles are linear pairs true or false rays creates two of! Of supplementary angles you open or close a pair of Corresponding angles ( b ) of... Class 7 MCQs Questions with Answers ) Corresponding angles ( b ) When a transversal cuts two lines... Is 90°, the pairs of supplementary angles form a linear pair of alternate angles... Two obtuse angles can be supplementary of two rays creates two pairs of adjacent angles - two.. 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