This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Lines And Angles > Class 7 Mathematics Chapter 5 Lines And Angles – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 5 Lines And Angles Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If the angles forming linear pair are in the ratio 4:6 then measure of obtuse angle A) 36 degree. B) 72 degree. C) 108 degree. D) None. Show Answer Correct Answer: C) 108 degree. 2. What is the sum of two angles that form a linear pair? A) 270 degrees. B) 90 degrees. C) 180 degrees. D) 360 degrees. Show Answer Correct Answer: C) 180 degrees. 3. Two angles forming a linear pair are A) Supplementary angles. B) Acute angles. C) Complementary angles. D) Obtuse angles. Show Answer Correct Answer: A) Supplementary angles. 4. If two complementary angles are in the ratio 13:5, then the angles are: A) 25 $^{O} $, 65 $^{o} $. B) 65 $^{o} $, 25 $^{o} $. C) 13x $^{o} $, 5x $^{o} $. D) 65 $^{o} $, 35 $^{o} $. Show Answer Correct Answer: B) 65 $^{o} $, 25 $^{o} $. 5. I am a line that runs from North to South.What am I? A) Vertical line. B) Diagonal line. C) Horizontal line. D) Intersecting lines. Show Answer Correct Answer: A) Vertical line. 6. Which of the following contains the types of angles in correct ascending order of their measures? A) Acute, Right, Obtuse, Straight, Reflex. B) Acute, Obtuse, Right, Straight, Reflex. C) Acute, Obtuse, Straight, Right, Reflex. D) Acute, Right, Obtuse, Reflex, Straight. Show Answer Correct Answer: A) Acute, Right, Obtuse, Straight, Reflex. 7. The distance around the outside of the circle A) Diameter. B) Area. C) Radius. D) Circumference. Show Answer Correct Answer: D) Circumference. 8. Angles of a triangle are in the ratio 2:4:3 the smallestangle of the triangle A) 40. B) 20. C) 80. D) 60. Show Answer Correct Answer: D) 60. 9. What slope is parallel to:m = $^{3}$/$_{4}$ A) $^{-4}$/$_{3}$. B) $^{-3}$/$_{4}$. C) $^{4}$/$_{3}$. D) $^{3}$/$_{4}$. Show Answer Correct Answer: D) $^{3}$/$_{4}$. 10. An exterior angle of a triangle is 80$^\circ$ and the interior opposite angles are in the ratio 1:3, measure of interior opposite angles are A) 30$^\circ$, 60$^\circ$. B) 40$^\circ$, 120$^\circ$. C) 30$^\circ$, 90$^\circ$. D) 20$^\circ$, 60$^\circ$. Show Answer Correct Answer: D) 20$^\circ$, 60$^\circ$. 11. Are these angles complementary, supplementary or neither? 80 degrees + 10 degrees A) Complementary. B) Supplementary. C) Neither. D) None of the above. Show Answer Correct Answer: A) Complementary. 12. What has two endpoints? A) Line. B) Line segment. C) Ray. D) None of the above. Show Answer Correct Answer: B) Line segment. 13. What type of angle is 90 degrees? A) Acute. B) Right. C) Corner. D) Left. Show Answer Correct Answer: B) Right. 14. An instrument for measuring angles A) Ruler. B) Protractor. C) Degree. D) Compass. Show Answer Correct Answer: B) Protractor. 15. Through a given point, how many perpendiculars to a given line can be drawn? A) 2. B) Not possible to draw. C) 1. D) 3. Show Answer Correct Answer: C) 1. 16. Complementary angles have their sum as A) 65. B) 90. C) 52. D) 49. Show Answer Correct Answer: B) 90. 17. Same Side Interior Angles are A) Complementary. B) Congruent. C) Supplementary. D) There is no relationship. Show Answer Correct Answer: C) Supplementary. 18. I am a reflex angle.Find my definition. A) I am 180 degrees. B) I am greater than 180 degrees but less than 360 degrees. C) I am greater than 90 degrees but less than 180 degrees. D) I am less than 90 degrees. Show Answer Correct Answer: B) I am greater than 180 degrees but less than 360 degrees. 19. In the diagram, if angle 1 is 40 degrees, what is the measure of angle 2? A) 40 degrees. B) 30 degrees. C) 50 degrees. D) 60 degrees. Show Answer Correct Answer: A) 40 degrees. 20. Same Side Interior angles ..... A) Are congruent. B) Add to be 180. C) Are equal. D) Add to be 90. Show Answer Correct Answer: B) Add to be 180. 21. Identify the type of angle formed by a straight line. A) 360 degrees. B) 45 degrees. C) 180 degrees. D) 90 degrees. Show Answer Correct Answer: C) 180 degrees. 22. If angle Z is 60 degrees, what is the measure of its vertically opposite angle? A) 60 degrees. B) 30 degrees. C) 45 degrees. D) 90 degrees. Show Answer Correct Answer: A) 60 degrees. 23. Which of the following angles can be measured using a protractor? A) $45^\circ$. B) $90^\circ$. C) $120^\circ$. D) All of the above. Show Answer Correct Answer: D) All of the above. 24. An exterior angle of a triangle is 105$^\circ$ and its two interior opposite angles are equal. Each of these equal angles is ..... A) 52.5$^{o}$. B) 72.5$^{o}$. C) 75$^{o}$. D) 37.5$^{o}$. Show Answer Correct Answer: A) 52.5$^{o}$. 25. The complementary angle of 45$^\circ$ A) 55$^\circ$. B) 135$^\circ$. C) 45$^\circ$. D) 90$^\circ$. Show Answer Correct Answer: C) 45$^\circ$. 26. Say 'TRUE' or 'FALSELines parallel to same line are perpendicular to each other. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 27. What is the measure of an angle that is supplementary to a 110$^\circ$ angle? A) 70$^\circ$. B) 220$^\circ$. C) 110$^\circ$. D) 90$^\circ$. Show Answer Correct Answer: A) 70$^\circ$. 28. I have 2 lines that will NEVER cross or touch. I come in a pair. What am I? A) Ray. B) Line segment. C) Line. D) Parallel. Show Answer Correct Answer: D) Parallel. 29. Which shape has more than one line of symmetry? A) Rectangle. B) Scalene triangle. C) Parallelogram. D) Trapezoid. Show Answer Correct Answer: A) Rectangle. 30. An angle that measures 90 degrees and forms a square corner is ..... A) Straight. B) Acute. C) Right. D) Obtuse. Show Answer Correct Answer: C) Right. 31. In triangle ABC AB=AC, If angle B=70 find angleA A) 50. B) 40. C) 60. D) 70. Show Answer Correct Answer: B) 40. 32. What type of lines create right angles? A) Parallel. B) Intersecting. C) Perpendicular. D) None of the above. Show Answer Correct Answer: C) Perpendicular. 33. I am a circle.Find my definition. A) The sum of my angles is 360 degrees. B) I am less than 90 degrees. C) I am greater than 90 degrees but less than 180 degrees. D) I am 180 degrees. Show Answer Correct Answer: A) The sum of my angles is 360 degrees. 34. When the sum of the measures of two angles is 180$^\circ$, the angles are called A) Adjacent angles. B) Complementary angles. C) Vertically opposite angles. D) Supplementary angles. Show Answer Correct Answer: D) Supplementary angles. 35. I have no pairs of parallell lines, 2 acute angles and 1 right angle what am I? A) Right triangle. B) Triangle. C) Kite. D) Rhombus. Show Answer Correct Answer: A) Right triangle. 36. Same Side Exterior Angles are A) There is no relationship. B) Congruent. C) Complementary. D) Supplementary. Show Answer Correct Answer: D) Supplementary. 37. Define Right Angle A) Less than 90. B) Exactly 90. C) Greater than 90 and less than 180. D) Exactly 180. Show Answer Correct Answer: B) Exactly 90. 38. I have a straight path and never stop going in either direction. What am I? A) Line segment. B) Parallel. C) Line. D) Perpendicular line. Show Answer Correct Answer: C) Line. 39. What is the value of x that makes two angles a linear pair if one angle is 7x + 30 and the other is 8x? A) 15. B) 20. C) 5. D) 10. Show Answer Correct Answer: D) 10. 40. What are adjacent angles? A) Angles that add up to 90 degrees. B) Angles that add up to 180 degrees. C) Angles with the same measurement. D) Angles that share an edge. Show Answer Correct Answer: D) Angles that share an edge. 41. If the supplement of an angle is three times its complement, then angle is A) 35$^{o}$. B) 50$^{o}$. C) 45$^{o}$. D) 40$^{o}$. Show Answer Correct Answer: C) 45$^{o}$. 42. Lines that cross and form acute and obtuse angles are A) Intersecting Lines. B) Parallel Lines. C) Perpendicular Lines. D) Hearts. Show Answer Correct Answer: A) Intersecting Lines. 43. If a ray stands on a line, the sum of adjacent angels formed is ..... A) 180$^\circ$. B) 360$^\circ$. C) 90$^\circ$. D) 120$^\circ$. Show Answer Correct Answer: A) 180$^\circ$. 44. Say 'TRUE' or 'FALSE'A triangle must have at least two acute angles A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 45. A straight angle equals to A) 180 degrees. B) 360 degrees. C) 90 degrees. D) None of the above. Show Answer Correct Answer: A) 180 degrees. 46. I am a straight lines.I run from West to East.What am I? A) Horizontal line. B) Vertical line. C) Parallel lines. D) Perpendicular lines. Show Answer Correct Answer: A) Horizontal line. 47. What is the difference between acute and obtuse angles? A) Acute angles are more than 90 degrees; obtuse angles are less than 90 degrees. B) Acute angles are always larger than obtuse angles. C) Acute angles are less than 90 degrees; obtuse angles are more than 90 degrees. D) Acute angles are equal to 90 degrees; obtuse angles are less than 90 degrees. Show Answer Correct Answer: C) Acute angles are less than 90 degrees; obtuse angles are more than 90 degrees. 48. Which two line segments create a right angle? A) Line segments that meet at a 90-degree angle. B) Line segments that are parallel to each other. C) Line segments that intersect at any angle. D) Line segments that are perpendicular to each other. Show Answer Correct Answer: A) Line segments that meet at a 90-degree angle. 49. What is the correct definition of an angle? A) Two lines that never intersect. B) Two rays that go in opposite directions. C) One single ray. D) Two rays that meet at a single endpoint (vertex). Show Answer Correct Answer: D) Two rays that meet at a single endpoint (vertex). 50. When the sum of the measures of two angles is 90$^\circ$, the angles are called A) Supplementary angles. B) Complementary angles. C) Adjacent angles. D) Vertically opposite angles. Show Answer Correct Answer: B) Complementary angles. 51. If angle A is 70 degrees, what is the measure of its supplementary angle? A) 120 degrees. B) 90 degrees. C) 100 degrees. D) 110 degrees. Show Answer Correct Answer: D) 110 degrees. 52. Find the slope of a line perpendicular to the line with equation $y =-\frac{1}{3}x + 2$ A) $3$. B) $-3$. C) $\frac{1}{3}$. D) $-\frac{1}{3}$. Show Answer Correct Answer: A) $3$. 53. Squares and rectangles have ..... right angles A) Four. B) Two. C) No. D) One. Show Answer Correct Answer: A) Four. 54. My angles measure 180 degrees. What am I? A) Obtuse angle. B) Reflex angle. C) Straigtht line. D) Right angle. Show Answer Correct Answer: C) Straigtht line. 55. What are complementry angles? A) Add up to 180 degrees. B) Add up to 360 degree. C) Add up to 232. D) Add up to 90 degree. Show Answer Correct Answer: D) Add up to 90 degree. 56. What type of lines are equadistant from each other? A) Parallel. B) Perpendicular. C) Intersecting. D) None of the above. Show Answer Correct Answer: A) Parallel. 57. What type of angles are formed when the sum of the measures of two angles is 90$^\circ$ A) Supplementary Angles. B) Complementary Angles. C) Vertical Angles. D) Adjacent Angles. Show Answer Correct Answer: B) Complementary Angles. 58. The angle of a triangle are in the ratio 5:3:7, the triangle is A) An isosceles triangle. B) An right angled triangle. C) An obtuse angled triangle. D) An acute-angled triangle. Show Answer Correct Answer: D) An acute-angled triangle. 59. What is the slope of a line perpendicular to-10/3 A) -10/3. B) 10/3. C) 3/10. D) -3/10. Show Answer Correct Answer: C) 3/10. 60. My angle measures less than 90 degrees, I look like I am closing. What am I? A) Right. B) Obtuse. C) Acute. D) Parallel. Show Answer Correct Answer: C) Acute. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 QuizzesClass 7 Mathematics Chapter 5 Lines And Angles Quiz 1Class 7 Mathematics Chapter 5 Lines And Angles Quiz 2Class 7 Mathematics Chapter 5 Lines And Angles Quiz 3Class 7 Mathematics Chapter 5 Lines And Angles Quiz 4Class 7 Mathematics Chapter 5 Lines And Angles Quiz 5Class 7 Mathematics Chapter 5 Lines And Angles Quiz 6Class 7 Mathematics Chapter 5 Lines And Angles Quiz 7Class 7 Mathematics Chapter 5 Lines And Angles Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books