Grade 6 Mathematics – Angles Quiz

1. Angles on a straight line are called___

Acute angles
Alternative angles
Papendicular angles
Supplementary agles
Explanation:

2. The sum if supplementary angles is equal to

360°
180°
90°
Explanation:

3. There are three angles, a,b and c on a straight line, angle (a) is equal to 60° and angle (c) is equal to 90°, what is the value of angle (b)?

90°
120°
30°
60°
Explanation:

4. ___ angles add up to 90°

Angles on a bent line
Supplementary angles
Acute angles
Complimentary
Explanation:

5. On a straight line are three angles,a,b and c. Angle (c) is a complementary angle while the others are equal. What is the value of angle (b)?

50°
180°
45°
25°
Explanation:

6. A boy runs round a school filled for one time, how many degrees does he make?

360°
90°
569°
180°
Explanation:

7. The hour hand of a clock moves from 12 to 6, how many degrees does it make?

90°
120°
180°
45°
Explanation:

8. There are two complimentary angles on a line. One angle equals to 60,what is the size of the other angle

60°
59°
45°
30°
Explanation:

9. A right angled triangle has two one of the angles as 50°,what is the size of the other angle?

30°
180°
40°
90°
Explanation:

10. Angles in a triangle sum up to

90°
360°
180°
36°
Explanation:

11. A triangle has x as one of its angles. The other two angles are equal to 130°. what is the value of angle x?

45°
50°
90°
180°
Explanation:

12. What is the value of one angle of a triangle whose all angles are equal

40°
90°
60°
180°
Explanation:

13. What is the sum of the interior angles of a triangle?

270 degrees
120 degrees
180 degrees
360 degrees
Explanation:

The sum of the interior angles of a triangle is always 180 degrees.

14. An angle that measures exactly 90 degrees is called a ________.

Right angle
Acute angle
Straight angle
Obtuse angle
Explanation:

A right angle is an angle that measures exactly 90 degrees.

15. What type of angle is greater than 90 degrees but less than 180 degrees?

Straight angle
Right angle
Acute angle
Obtuse angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees.

16. If two angles are complementary, what is the sum of their measures?

360 degrees
270 degrees
90 degrees
180 degrees
Explanation:

Complementary angles are two angles that add up to 90 degrees.

17. What is the name for angles that are on the opposite sides of the transversal cutting two parallel lines?

Supplementary angles
Alternate interior angles
Corresponding angles
Alternate exterior angles
Explanation:

Alternate interior angles are on opposite sides of the transversal cutting two parallel lines and inside the parallel lines.

18. What is the name for angles that are next to each other and add up to 180 degrees?

Alternate exterior angles
Supplementary angles
Alternate interior angles
Corresponding angles
Explanation:

Supplementary angles are angles that add up to 180 degrees when they are adjacent.

19. An angle that measures exactly 180 degrees is called a ________.

Straight angle
Right angle
Acute angle
Obtuse angle
Explanation:

A straight angle is an angle that measures exactly 180 degrees.

20. What type of angle is less than 90 degrees?

Straight angle
Acute angle
Obtuse angle
Right angle
Explanation:

An acute angle is less than 90 degrees.

21. If two angles are vertical angles, what can you conclude about them?

They are complementary
They are supplementary
They are congruent
They are equal in measure
Explanation:

Vertical angles are always congruent, meaning they have the same measure.

22. What is the total degrees in a full turn?

180 degrees
270 degrees
90 degrees
360 degrees
Explanation:

A full turn or a complete revolution is equal to 360 degrees.

23. If two angles add up to 145 degrees, what type of angles are they?

Supplementary angles
Complementary angles
Corresponding angles
Vertical angles
Explanation:

Supplementary angles add up to 180 degrees, and in this case, the angles add up to 145 degrees.

24. What type of angle is exactly 45 degrees?

Acute angle
Straight angle
Right angle
Obtuse angle
Explanation:

An acute angle is an angle that is less than 90 degrees, and 45 degrees falls within this range.

25. What is the sum of the interior angles of a quadrilateral?

450 degrees
180 degrees
270 degrees
360 degrees
Explanation:

The sum of the interior angles of a quadrilateral is always 360 degrees.

26. What type of angle is exactly 90 degrees?

Straight angle
Right angle
Obtuse angle
Acute angle
Explanation:

A right angle is an angle that measures exactly 90 degrees.

27. An angle that measures between 0 and 90 degrees is called a ________.

Acute angle
Right angle
Obtuse angle
Straight angle
Explanation:

An acute angle is an angle that measures less than 90 degrees.

28. If two angles form a linear pair, what is the sum of their measures?

270 degrees
90 degrees
180 degrees
360 degrees
Explanation:

Linear pairs are adjacent angles that form a straight line, so their measures add up to 180 degrees.

29. What is the name of angles that are on the same side of the transversal cutting two parallel lines?

Corresponding angles
Alternate exterior angles
Supplementary angles
Alternate interior angles
Explanation:

Alternate exterior angles are on the same side of the transversal cutting two parallel lines and outside the parallel lines.

30. An angle that measures exactly 120 degrees is called a ________.

Right angle
Obtuse angle
Acute angle
Straight angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees, and 120 degrees fits within this range.

31. If two angles are vertical angles, what is the relationship between their measures?

They are equal in measure
They are complementary
They are congruent
They have a sum of 180 degrees
Explanation:

Vertical angles are always equal in measure, meaning they have the same angle size.

32. What is the total degrees in a half turn?

270 degrees
90 degrees
360 degrees
180 degrees
Explanation:

A half turn is equal to 180 degrees as it represents half of a full revolution.

33. If two angles add up to 90 degrees, what is the relationship between them?

They are corresponding angles
They are vertical angles
They are supplementary
They are complementary
Explanation:

Complementary angles are two angles that add up to 90 degrees, making them complementary to each other.

34. What type of angle is exactly 180 degrees?

Right angle
Straight angle
Acute angle
Obtuse angle
Explanation:

A straight angle is an angle that measures exactly 180 degrees.

35. What type of angle is between 90 and 180 degrees?

Right angle
Straight angle
Acute angle
Obtuse angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees.

36. If two angles are corresponding angles, what can you conclude about them?

They are equal in measure
They are supplementary
They are congruent
They are complementary
Explanation:

Corresponding angles are in the same position on the same side of the transversal cutting two parallel lines, so they have equal measures.

37. What is the sum of the interior angles of a pentagon?

900 degrees
360 degrees
720 degrees
540 degrees
Explanation:

The sum of the interior angles of a pentagon is 540 degrees.

38. An angle that measures between 90 and 180 degrees is called a ________.

Straight angle
Right angle
Acute angle
Obtuse angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees.

39. If two adjacent angles are equal in measure, what type of angles are they?

Complementary angles
Vertical angles
Supplementary angles
Corresponding angles
Explanation:

Adjacent angles that are equal in measure add up to 180 degrees, making them supplementary.

40. What is the name of angles that are in the same position on the same side of the transversal cutting two parallel lines?

Supplementary angles
Corresponding angles
Alternate exterior angles
Alternate interior angles
Explanation:

Corresponding angles are in the same position on the same side of the transversal cutting two parallel lines.

41. An angle that measures exactly 160 degrees is called a ________.

Straight angle
Acute angle
Right angle
Obtuse angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees, and 160 degrees falls within this range.

42. If two angles are supplementary, what is the sum of their measures?

360 degrees
180 degrees
90 degrees
270 degrees
Explanation:

Supplementary angles are two angles that add up to 180 degrees.

43. What is the total degrees in a quarter turn?

270 degrees
90 degrees
360 degrees
180 degrees
Explanation:

A quarter turn is equal to 90 degrees, representing a quarter of a full revolution.

44. If two angles add up to 120 degrees, what type of angles are they?

Vertical angles
Corresponding angles
Supplementary angles
Complementary angles
Explanation:

Supplementary angles add up to 180 degrees, and in this case, the angles add up to 120 degrees.

45. What type of angle is exactly 60 degrees?

Obtuse angle
Straight angle
Right angle
Acute angle
Explanation:

An acute angle is an angle that is less than 90 degrees, and 60 degrees falls within this range.

46. What is the sum of the interior angles of a hexagon?

900 degrees
540 degrees
360 degrees
720 degrees
Explanation:

The sum of the interior angles of a hexagon is 720 degrees.

47. What type of angle is exactly 270 degrees?

Straight angle
Obtuse angle
Acute angle
Right angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees.

48. If two angles are vertical angles, what is the sum of their measures?

180 degrees
90 degrees
270 degrees
360 degrees
Explanation:

Vertical angles are always equal in measure, and when added together, they sum up to 180 degrees.

49. What is the total degrees in a three-quarter turn?

270 degrees
180 degrees
90 degrees
360 degrees
Explanation:

A three-quarter turn is equal to 270 degrees, representing three-quarters of a full revolution.

50. What type of angle is exactly 135 degrees?

Acute angle
Right angle
Straight angle
Obtuse angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees.

51. An angle that measures between 180 and 360 degrees is called a ________.

Obtuse angle
Straight angle
Acute angle
Right angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees.

52. If two angles are vertical angles, what can you conclude about their measures?

They are complementary
They are congruent
They are equal in measure
They have a sum of 180 degrees
Explanation:

Vertical angles are always equal in measure, meaning they have the same angle size.

53. What is the name for angles that are in the same position on the opposite sides of the transversal cutting two parallel lines?

Alternate exterior angles
Corresponding angles
Alternate interior angles
Supplementary angles
Explanation:

Corresponding angles are in the same position on the opposite sides of the transversal cutting two parallel lines.

54. An angle that measures exactly 170 degrees is called a ________.

Right angle
Acute angle
Straight angle
Obtuse angle
Explanation:

An obtuse angle is greater than 90 degrees but less than 180 degrees, and 170 degrees falls within this range.

55. If two angles are complementary, what is the sum of their measures?

360 degrees
270 degrees
90 degrees
180 degrees
Explanation:

Complementary angles are two angles that add up to 90 degrees.