This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Lines And Angles > Class 7 Mathematics Chapter 5 Lines And Angles – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 5 Lines And Angles Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I have 2 pair of parallell sides, I have 2 obtuse and 2 acute angles what am I A) Square. B) Triangle. C) Hexagon. D) Rhombus. Show Answer Correct Answer: D) Rhombus. 2. Angle HIK is a straight angle. What is the angle's measure? A) 90 degrees. B) 180 degrees. C) 150 degrees. D) 25 degrees. Show Answer Correct Answer: B) 180 degrees. 3. Are these lines perpendicular?y = (1/2)x + 2y =-2x + 13 A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: A) YES. 4. If 2 lines intersect, the vertically opposite angles are: A) Unequal. B) Equal. C) Complementary. D) Linear pair. Show Answer Correct Answer: B) Equal. 5. Two angles in a plane are called adjacent angles if A) They have a common vertex. B) They have a common arm. C) Uncommon arms lie lie on the opposite sides of the common arm. D) All the above. Show Answer Correct Answer: D) All the above. 6. Interior angles are ..... A) On the inside of the lines cut by the transversal. B) Not on the same plane as the transversal. C) Not sharing a side with the transversal. D) On the outside of the lines cut by the transversal. Show Answer Correct Answer: A) On the inside of the lines cut by the transversal. 7. How many degrees does an acute angle have? A) Less than 90 degrees. B) 180 degrees. C) 90 degrees. D) None of the above. Show Answer Correct Answer: A) Less than 90 degrees. 8. Two lines going the exact same way and will never intersect A) Alternate exterior angles. B) Alternate interior angles. C) Parallel lines. D) Vertical lines. Show Answer Correct Answer: C) Parallel lines. 9. Define Obtuse Angle A) Less than 90. B) Exactly 90. C) Greater than 90 and less than 180. D) Exactly 180. Show Answer Correct Answer: C) Greater than 90 and less than 180. 10. Define a ray in geometry. A) A ray in geometry is a part of a line that has one endpoint and extends infinitely in one direction. B) A ray is a closed figure with multiple endpoints. C) A ray is a line segment with two endpoints. D) A ray is a two-dimensional shape. Show Answer Correct Answer: A) A ray in geometry is a part of a line that has one endpoint and extends infinitely in one direction. 11. Each angle of an equilateral triangle is A) 60$^\circ$. B) 80 degrees. C) 90$^\circ$. D) None of these. Show Answer Correct Answer: A) 60$^\circ$. 12. A ray has how many end points. A) 0. B) 1. C) 2. D) None of the above. Show Answer Correct Answer: B) 1. 13. A line that passes through 2 or more lines is called a ..... A) Transitive. B) Passer through line. C) Transversal. D) Bisector. Show Answer Correct Answer: C) Transversal. 14. Two angles whose sums are 180$^{0}$ are called A) Complementary angles. B) Adjacent angles. C) Supplementary angles. D) Vertically opposite angles. Show Answer Correct Answer: C) Supplementary angles. 15. The measure of the supplement of the angle 120$^\circ$ is A) 90$^\circ$. B) 30$^\circ$. C) 60$^\circ$. D) 45$^\circ$. Show Answer Correct Answer: C) 60$^\circ$. 16. An exterior angle of a triangle is 150$^\circ$ and its two interior opposite angles are equal in a ratio of 2:3. What is the measure of the larger angle? A) 60$^{o}$. B) 30$^\circ$. C) 90$^{o}$. D) 120$^{o}$. Show Answer Correct Answer: C) 90$^{o}$. 17. What is the relationship between the angles formed when a transversal intersects two parallel lines? A) All angles are equal. B) Corresponding angles are equal. C) Alternate interior angles are supplementary. D) Vertical angles are complementary. Show Answer Correct Answer: B) Corresponding angles are equal. 18. I have 2 lines that cross and make an x and form an acute angle or V shape. what am I A) Parallel. B) Perpendicular. C) Line segment. D) Intersecting. Show Answer Correct Answer: D) Intersecting. 19. Alternate angles are ..... A) Not sharing a side with the transversal. B) On opposite sides of the transversal. C) On the same side of the transversal. D) Are not on the same plane as the transversal. Show Answer Correct Answer: B) On opposite sides of the transversal. 20. What type of angle measures exactly 90 degrees? A) Straight angle. B) Right angle. C) Obtuse angle. D) Acute angle. Show Answer Correct Answer: B) Right angle. 21. Right Angles are A) Less than 90 degrees. B) Lines that never touch. C) More than 90 degrees. D) Exactly 90 degrees. Show Answer Correct Answer: D) Exactly 90 degrees. 22. Angles that add up to 90 degrees A) Complimentary. B) Vertical. C) Supplementary. D) Adjacent. Show Answer Correct Answer: A) Complimentary. 23. What should the sum of two complementary angles be? A) 360 degrees. B) 180 degrees. C) 90 degrees. D) 45 degrees. Show Answer Correct Answer: C) 90 degrees. 24. What is a supplementary angle? A) Two angles that add up to 180 degrees. B) Two angles that add up to 90 degrees. C) Two angles that are equal in measure. D) Two angles that are adjacent to each other. Show Answer Correct Answer: A) Two angles that add up to 180 degrees. 25. What angle is 87 degrees? A) Acute angle. B) A cute angle. C) Reflex angle/Full rotation. D) Strait angle. E) Obtuse angle. Show Answer Correct Answer: A) Acute angle. 26. I am part of a line, I have a starting point and ending point, what am I? A) Line. B) Line segment. C) Perpendicular line. D) Parallell line. Show Answer Correct Answer: B) Line segment. 27. How many sides have a nonagon? A) 8. B) 9. C) 10. D) 6. Show Answer Correct Answer: B) 9. 28. A triangle whose two sides are equal is an ..... triangle. A) Obtuse triangle. B) Isosceles triangle. C) All the above. D) None of the above. Show Answer Correct Answer: B) Isosceles triangle. 29. Vertical Angles are A) Complementary. B) There is no relationship. C) Supplementary. D) Congruent. Show Answer Correct Answer: D) Congruent. 30. I am greater than 90 degrees but less than 180 degrees. What am I? A) Straight angle. B) Acute angle. C) Reflex angle. D) Obtuse angle. Show Answer Correct Answer: D) Obtuse angle. 31. Which of the following is NOT a property of parallel lines? A) They never meet. B) They are always the same distance apart. C) They cross at $90^\circ$. D) They do not intersect. Show Answer Correct Answer: C) They cross at $90^\circ$. 32. What is the measure of the complement of the angle 80$^\circ$? A) 100$^\circ$. B) 10$^\circ$. C) 20$^\circ$. D) 36$^\circ$. Show Answer Correct Answer: B) 10$^\circ$. 33. Angles in which non-common arms form a line are known as A) Vertically opposite angles. B) Linear pair. C) Obtuse angles. D) None of the above. Show Answer Correct Answer: B) Linear pair. 34. A point where two lines meet is called a A) Parallel. B) Opposite. C) Adjacent. D) Vertex. Show Answer Correct Answer: D) Vertex. 35. I have no pairs of parallel sides, I have 5 obtuse angles A) Hexagon. B) Trapezoid. C) Rhombus. D) Pentagon. Show Answer Correct Answer: D) Pentagon. 36. How many degrees do all of the angles of a triangle add up to? A) 90 degrees. B) 360 degrees. C) 180 degrees. D) 270 degrees. Show Answer Correct Answer: C) 180 degrees. 37. A line that passes through parallel lines is called a ..... A) Transitive. B) Transversal. C) Passer through line. D) Bisector. Show Answer Correct Answer: B) Transversal. 38. Find the angle which is four times its compliment is 10$^\circ$ less than twice its complement. A) 25. B) 5. C) 15. D) 10. Show Answer Correct Answer: B) 5. 39. What will be the complement angle of 20 degree? A) 70 degree. B) 50 degree. C) 100 degree. D) 160 degree. Show Answer Correct Answer: A) 70 degree. 40. The angle equal to its complement angle is A) 45 degrees. B) 60$^\circ$. C) 30 degrees. D) None of these. Show Answer Correct Answer: A) 45 degrees. 41. How do you measure an angle? A) In radians using a compass. B) In degrees using a protractor. C) In inches using a ruler. D) In centimeters using a measuring tape. Show Answer Correct Answer: B) In degrees using a protractor. 42. Find the slope of a line perpendicular to the line $y = 4x-7$ A) $-4$. B) $4$. C) $\frac{1}{4}$. D) $-\frac{1}{4}$. Show Answer Correct Answer: D) $-\frac{1}{4}$. 43. Write the complement angles of 20 A) 56. B) 43. C) 70. D) 67. Show Answer Correct Answer: C) 70. 44. Which angle is a right angle? A) $45^\circ$. B) $90^\circ$. C) $60^\circ$. D) $120^\circ$. Show Answer Correct Answer: B) $90^\circ$. 45. True or False?Perpendicular lines cross 90 degrees. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 46. In the diagram, if angle 1 is 90 degrees, what is the measure of angle 2? A) 180 degrees. B) 45 degrees. C) 90 degrees. D) 60 degrees. Show Answer Correct Answer: C) 90 degrees. 47. What is a straight angle? A) An angle greater than 180 degrees. B) Lines that cross at a 90 degree angle. C) An angle less than 90 degrees. D) An angle measuring exactly 180 degrees. Show Answer Correct Answer: D) An angle measuring exactly 180 degrees. 48. What is the measure of an angle whose measure is 32$^\circ$ less than its supplement? A) 60$^\circ$. B) 55$^\circ$. C) 74$^\circ$. D) 148$^\circ$. Show Answer Correct Answer: C) 74$^\circ$. 49. A security camera rotates 30 degrees every 10 seconds. How long does it take the camera to rotate 360 degrees? A) 12 minutes. B) 2 minutes. C) 5 minutes. D) 1 minute. Show Answer Correct Answer: B) 2 minutes. 50. The angle which is twice its supplement A) 110 degree. B) 60 degree. C) 120 degree. D) 130 degree. Show Answer Correct Answer: C) 120 degree. 51. Classify this angle 350$^{o}$ A) Acute. B) Right. C) Reflex. D) Obtuse. Show Answer Correct Answer: C) Reflex. 52. The number of triangles that can be drawn having angles as 50$^\circ$, 60$^\circ$ and 70$^\circ$ are A) 1. B) 2. C) Infinite. D) None of these. Show Answer Correct Answer: A) 1. 53. How many degrees are in a straight angle? A) $270^\circ$. B) $180^\circ$. C) $360^\circ$. D) $90^\circ$. Show Answer Correct Answer: B) $180^\circ$. 54. The angles in a linear pair are A) Complementary. B) Supplementary. C) Not adjacent angles. D) Vertically opposite angles. Show Answer Correct Answer: B) Supplementary. 55. 2 figures are same if they have the same: A) Shape. B) Size. C) Area. D) Shape and size. Show Answer Correct Answer: D) Shape and size. 56. Which shape does not have 2 sets of parallel lines? A) Trapezoid. B) Rectangle. C) Rhombus. D) Square. Show Answer Correct Answer: A) Trapezoid. 57. A transversal line intersects two distinct lines in ..... distinct points A) 0. B) Infinite. C) 2. D) 1. Show Answer Correct Answer: C) 2. 58. What do the angles in an equilateral triangle measure? A) 35, 55, 90. B) 30, 60, 90. C) 45, 45, 90. D) 60, 60, 60. Show Answer Correct Answer: D) 60, 60, 60. 59. An angle that measures 135 degrees is ..... A) Right. B) Acute. C) Obtuse. D) Straight. Show Answer Correct Answer: C) Obtuse. 60. What does a right angle have? A) 90 degrees. B) 180 degrees. C) 45 degrees. D) None of the above. Show Answer Correct Answer: A) 90 degrees. 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