This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Lines And Angles > Class 7 Mathematics Chapter 5 Lines And Angles – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 5 Lines And Angles Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the attributes of an obtuse triangle? A) 3 obtuse angles. B) 1 obtuse angle, 1 right angle, 1 acute angle. C) 1 obtuse angle, 2 acute angles. D) 2 obtuse angles, 1 acute angle. Show Answer Correct Answer: C) 1 obtuse angle, 2 acute angles. 2. I am a 90 degree angle. What am I? A) Obtuse angle. B) Acute angle. C) Straight line. D) Right angle. Show Answer Correct Answer: D) Right angle. 3. What is the slope of a line perpendicular to a line with slope $^{-6}$/$_{5 }$? A) $^{-4}$/$_{3}$. B) $^{-6}$/$_{5}$. C) $^{5}$/$_{6}$. D) $^{-5}$/6. Show Answer Correct Answer: C) $^{5}$/$_{6}$. 4. The supplement of an angle is one fourth of its supplement. Find the angle. A) 18$^{0}$. B) 36$^{0}$. C) 35$^{0}$. D) None of the above. Show Answer Correct Answer: B) 36$^{0}$. 5. Opposite angles are ..... A) Adds up to 90 degrees. B) Adds up to 180 degrees. C) Always equal. D) More than 180 degrees but less than 360 degrees. Show Answer Correct Answer: C) Always equal. 6. An angle that is GREATER than 90 degrees is an ..... angle. A) Straight. B) Right. C) Acute. D) Obtuse. Show Answer Correct Answer: D) Obtuse. 7. Of straight angle A) 108. B) 100. C) 176. D) 117. Show Answer Correct Answer: A) 108. 8. What are the attributes of a right triangle? A) 2 acute angles, 1 right angle. B) 3 right angles. C) 2 right angles. D) 1 right angle, 1 acute angle. Show Answer Correct Answer: A) 2 acute angles, 1 right angle. 9. 2x and 3x are linear pair angles find smallest angle A) 72. B) 108. C) 36. D) None. Show Answer Correct Answer: A) 72. 10. What type of angle is smaller than 90 degrees? A) Obtuse. B) Straight. C) Acute. D) Right. Show Answer Correct Answer: C) Acute. 11. If the measure of angle 1 is 7x + 30 and the measure of angle 2 is 8x, what is the value of x that makes them a linear pair? A) 15. B) 5. C) 10. D) 20. Show Answer Correct Answer: C) 10. 12. Find the measure of the angle which is double of its complementary angle? A) 120$^\circ$. B) 30$^\circ$. C) 45$^\circ$. D) 60$^\circ$. Show Answer Correct Answer: D) 60$^\circ$. 13. What type of angle is formed when two lines intersect and the angles on opposite sides are equal? A) Corresponding angle. B) Vertical angle. C) Adjacent angle. D) Complementary angle. Show Answer Correct Answer: B) Vertical angle. 14. Sum of two angles on a linear pair is ..... A) 270. B) 360. C) 180. D) None of the above. Show Answer Correct Answer: C) 180. 15. A/an ..... angle is the angle that is larger than 90 degree. A) Acute. B) Obtuse. C) Right. D) Straight. Show Answer Correct Answer: B) Obtuse. 16. Which of the following pairs of angles is not a pair of complementary angles? A) 66$^\circ$, 24$^\circ$. B) 60$^\circ$, 30$^\circ$. C) 150$^\circ$, 30$^\circ$. D) 0$^\circ$, 90$^\circ$. Show Answer Correct Answer: C) 150$^\circ$, 30$^\circ$. 17. What is the term for two lines that never meet and are always at a 90-degree angle to each other? A) Curved lines. B) Parallel lines. C) Perpendicular lines. D) Intersecting lines. Show Answer Correct Answer: C) Perpendicular lines. 18. What do we call angles that add up to 90 degrees? A) Complementary angles. B) Opposite angles. C) Supplementary angles. D) Vertical angles. Show Answer Correct Answer: A) Complementary angles. 19. The sum of two angles is 180$^\circ$ then they are called ..... , , , , angles A) Reflex. B) Complete. C) Complementary. D) Supplementary. Show Answer Correct Answer: D) Supplementary. 20. The measure of the angle which is equal to its supplement is A) 160$^\circ$. B) 46$^\circ$. C) 90$^{0}$. D) 180$^{0}$. Show Answer Correct Answer: D) 180$^{0}$. 21. Which of the following form supplementary angles A) 130, 50. B) 35, 55. C) 60, 30. D) None of the above. Show Answer Correct Answer: A) 130, 50. 22. One angle is equal to three times its supplement the measure of the angle A) 135. B) 90. C) 30. D) 120. Show Answer Correct Answer: A) 135. 23. Each of the following is smaller than a straight angle, except A) Obtuse Angle. B) Right Angle. C) Acute Angle. D) Reflex Angle. Show Answer Correct Answer: D) Reflex Angle. 24. Sum of the three angles Of triangle is A) 270 degree. B) 180 degree. C) 360 degree. D) None. Show Answer Correct Answer: B) 180 degree. 25. Are these lines parallel?y = (-1/2)x + 1y = (1/2)x-5 A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: B) NO. 26. Planes that do not intersect A) Parallel Planes. B) Perpendicular Planes. C) Skew Planes. D) Intersecting Planes. Show Answer Correct Answer: A) Parallel Planes. 27. A ..... angle measures 180 degrees. A) Obtuse. B) Right. C) Straight. D) Acute. Show Answer Correct Answer: C) Straight. 28. Are these two lines parallel, perpendicular or neither?y =-1/3x-5y = 1/3x + 2 A) Parallel. B) Perpendicular. C) Neither. D) None of the above. Show Answer Correct Answer: C) Neither. 29. What type of lines cross each other? A) Vertical. B) Parallel. C) Perpendicular. D) None of the above. Show Answer Correct Answer: A) Vertical. 30. A right angle is ..... A) Equal to 360 degrees. B) More than 90 degrees. C) Equal to 90 degrees. D) Less than 90 degrees. E) Equal to 180 degrees. Show Answer Correct Answer: C) Equal to 90 degrees. 31. Find the distance between the lines $y = \frac{1}{2}x + 5$ $y = \frac{1}{2}x-3$ A) $2$. B) $4$. C) $8$. D) $6$. Show Answer Correct Answer: C) $8$. 32. How many common points do coincident lines have? A) 1. B) 0. C) 2. D) Infinite. Show Answer Correct Answer: D) Infinite. 33. What do complementary angles add up to? A) 45 degrees. B) 90 degrees. C) 180 degrees. D) 360 degrees. Show Answer Correct Answer: B) 90 degrees. 34. The following represents slopes of two lines. Which answer choice describes the two lines?m = 7 and m =-7 A) Parallel. B) Perpendicular. C) Neither. D) None of the above. Show Answer Correct Answer: C) Neither. 35. Angle TVB is an acute angle. What is the angle's possible measure? A) 125 degrees. B) 90 degrees. C) 45 degrees. D) 115 degrees. Show Answer Correct Answer: C) 45 degrees. 36. If an angle measures 87 degrees what kind of angle is this? A) Right. B) Acute. C) Obtuse. D) None of the above. Show Answer Correct Answer: B) Acute. 37. I am a polygon I have no parallel sides and 3 acute angles what am I? A) Rhombus. B) Rectangle. C) Triangle. D) Right triangle. Show Answer Correct Answer: C) Triangle. 38. A circle is ..... A) Less than 90 degrees. B) More than 90 degrees. C) Equal to 180 degrees. D) Equal to 360 degrees. E) Equal to 90 degrees. Show Answer Correct Answer: D) Equal to 360 degrees. 39. Which of the following statements is true about corresponding angles when two parallel lines are intersected by a transversal? A) They are always congruent only if the transversal is perpendicular. B) They are always complementary. C) They are always supplementary. D) They are always equal. Show Answer Correct Answer: D) They are always equal. 40. I have 4 pairs of parallel sides and 8 obtuse angles what am I A) Octagon. B) Right triangle. C) Hexagon. D) Pentagon. Show Answer Correct Answer: A) Octagon. 41. In 4n+17 + n-2 = 180, what is the correct value for n? A) N = 41. B) N = 3. C) N = 33. D) N = 37. Show Answer Correct Answer: C) N = 33. 42. An obtuse angle is: A) More than $180^\circ$. B) More than $90^\circ$ $180^\circ$. C) Exactly $90^\circ$. D) Less than $90^\circ$. Show Answer Correct Answer: B) More than $90^\circ$ $180^\circ$. 43. The angles which have common arm are called ..... angles A) Interior. B) Exterior. C) Vertically opposite angles. D) Adjacent. Show Answer Correct Answer: D) Adjacent. 44. If the supplement of an angle is 4 times of its compliment, find the angle. A) 100$^\circ$. B) 60$^\circ$. C) 80$^\circ$. D) 50$^\circ$. Show Answer Correct Answer: B) 60$^\circ$. 45. What term is used to describe a pair, or group, of angles that equal 180 degrees? A) Complementary Angles. B) Vertical Angles. C) Supplementary Angles. D) Congruent Angles. Show Answer Correct Answer: C) Supplementary Angles. 46. Find the angles which is 2/3 of its supplement A) 72$^\circ$. B) 62$^\circ$. C) 100$^\circ$. D) 102$^\circ$. Show Answer Correct Answer: A) 72$^\circ$. 47. Which is TRUE about intersecting lines? A) They are never parallel. B) They are always parallel. C) They are never perpendicular. D) They are always perpendicular. Show Answer Correct Answer: A) They are never parallel. 48. How many pairs of parallel lines are there in a rectangle? A) 1. B) 2. C) 4. D) None of these. Show Answer Correct Answer: B) 2. 49. Define Straight Angle A) Less than 90. B) Exactly 90. C) Greater than 90 and less than 180. D) Exactly 180. Show Answer Correct Answer: D) Exactly 180. 50. A figure with two rays sharing a common vertex. A) Line. B) Polygon. C) Angle. D) Plane. Show Answer Correct Answer: C) Angle. 51. The supplement of an angle is 65 $^\circ$. What is the measure of the angle? A) 15$^\circ$. B) 25$^\circ$. C) 35$^\circ$. D) 115$^\circ$. Show Answer Correct Answer: D) 115$^\circ$. 52. If an angle measures 45 degrees then what kind of angle is it? A) Right. B) Obtuse. C) Acute. D) None of the above. Show Answer Correct Answer: C) Acute. 53. What type of angle is less than 90 degrees? A) Right angle. B) Acute angle. C) Obtuse angle. D) Straight angle. Show Answer Correct Answer: B) Acute angle. 54. Vertical angles are always A) Acute. B) Total 180 degrees. C) Adjacent angles. D) Congruent (equal measures). Show Answer Correct Answer: D) Congruent (equal measures). 55. Two angles added together to produce 90 degrees A) Complementary. B) Right. C) Supplementary. D) Vertical. Show Answer Correct Answer: A) Complementary. 56. What is the value of x, if x and 130 degree are a pair of co-interior angles? A) 40 degree. B) 50 degree. C) 60 degree. D) 30 degree. Show Answer Correct Answer: B) 50 degree. 57. How many right angles can a triangle have? A) 2. B) 3. C) 1. D) 0. Show Answer Correct Answer: C) 1. 58. If one of the angles formed by two intersecting lines is a right angle, what can you say about the other three angles? A) 90, 90, 90. B) 80, 100, 90. C) 70, 110, 90. D) 120, 60, 90. Show Answer Correct Answer: A) 90, 90, 90. 59. What is an obtuse angle? A) An obtuse angle measures exactly 90 degrees. B) An obtuse angle measures less than 90 degrees. C) An obtuse angle measures more than 180 degrees. D) An obtuse angle measures more than 90 degrees but less than 180 degrees. Show Answer Correct Answer: D) An obtuse angle measures more than 90 degrees but less than 180 degrees. 60. I have exactly a 90-degree angle, form a perfect L and often have a little square in my corner. what am I A) Acute. B) Right angle. C) Obtuse. D) Perpendicular line. Show Answer Correct Answer: B) Right angle. ← 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 7Class 7 Mathematics Chapter 5 Lines And Angles Quiz 8Class 7 Mathematics Chapter 5 Lines And Angles Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books