Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 336 · 40 sums

The method (Know the totals): Acute < 90°, right = 90°, obtuse between 90° and 180°, straight = 180°. On a straight line: the two angles add up to 180°. In a triangle: the three angles add up to 180°. Around a point: 360°. Clock: each hour mark is 30° apart (360° ÷ 12).

1. 1.Three angles meet at a point. Two of them are 80° and 210°. What is the third angle (in degrees)?
2. 2.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
3. 3.An angle measures 100°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
4. 4.Three angles meet at a point. Two of them are 120° and 170°. What is the third angle (in degrees)?
5. 5.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
6. 6.An angle measures 160°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
7. 7.Three angles meet at a point. Two of them are 60° and 240°. What is the third angle (in degrees)?
8. 8.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
9. 9.Two angles of a triangle are 90° and 20°. What is the third angle (in degrees)?
10. 10.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
11. 11.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
12. 12.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
13. 13.An angle measures 90°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
14. 14.Two angles of a triangle are 25° and 115°. What is the third angle (in degrees)?
15. 15.Two angles of a triangle are 60° and 55°. What is the third angle (in degrees)?
16. 16.An angle measures 155°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
17. 17.Three angles meet at a point. Two of them are 110° and 60°. What is the third angle (in degrees)?
18. 18.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
19. 19.Three angles meet at a point. Two of them are 50° and 50°. What is the third angle (in degrees)?
20. 20.Two angles of a triangle are 25° and 40°. What is the third angle (in degrees)?
21. 21.Three angles meet at a point. Two of them are 140° and 80°. What is the third angle (in degrees)?
22. 22.Three angles meet at a point. Two of them are 50° and 130°. What is the third angle (in degrees)?
23. 23.Two angles of a triangle are 20° and 55°. What is the third angle (in degrees)?
24. 24.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
25. 25.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
26. 26.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
27. 27.An angle measures 70°. What kind of angle is it? (a) Acute (b) Straight (c) Right
28. 28.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
29. 29.Two angles of a triangle are 25° and 30°. What is the third angle (in degrees)?
30. 30.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
31. 31.Three angles meet at a point. Two of them are 140° and 110°. What is the third angle (in degrees)?
32. 32.An angle measures 35°. What kind of angle is it? (a) Right (b) Acute (c) Straight
33. 33.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
34. 34.An angle measures 85°. What kind of angle is it? (a) Straight (b) Right (c) Acute
35. 35.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
36. 36.An angle measures 45°. What kind of angle is it? (a) Acute (b) Right (c) Straight
37. 37.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
38. 38.Three angles meet at a point. Two of them are 130° and 120°. What is the third angle (in degrees)?
39. 39.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
40. 40.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?

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