Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 414 · 40 sums

The method (Know the totals): Acute < 90°, right = 90°, obtuse between 90° and 180°, straight = 180°, reflex between 180° and 360°. Angles on a straight line add up to 180°; angles around a point add up to 360°. Each hour mark on a clock is 30° apart (360° ÷ 12). Turning clockwise from North: 90° → East, 180° → South, 270° → West.

1. 1.Three angles together make a straight line. Two of them are 75° and 25°. What is the third angle (in degrees)?
2. 2.The minute hand of a clock turns clockwise from 10 to 6. How many degrees does it turn?
3. 3.You face West and turn clockwise through 90°. Which direction do you face now? (a) South (b) North (c) East (d) West
4. 4.The minute hand of a clock turns clockwise from 7 to 11. How many degrees does it turn?
5. 5.Three angles together make a straight line. Two of them are 100° and 10°. What is the third angle (in degrees)?
6. 6.Four angles meet at a point. Three of them are 60°, 60° and 50°. What is the fourth angle (in degrees)?
7. 7.An angle measures 90°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
8. 8.The minute hand of a clock turns clockwise from 3 to 1. How many degrees does it turn?
9. 9.Three angles together make a straight line. Two of them are 75° and 80°. What is the third angle (in degrees)?
10. 10.Three angles together make a straight line. Two of them are 95° and 20°. What is the third angle (in degrees)?
11. 11.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
12. 12.Three angles together make a straight line. Two of them are 85° and 20°. What is the third angle (in degrees)?
13. 13.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
14. 14.Three angles together make a straight line. Two of them are 85° and 25°. What is the third angle (in degrees)?
15. 15.You face North and turn clockwise through 270°. Which direction do you face now? (a) West (b) North (c) South (d) East
16. 16.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
17. 17.Four angles meet at a point. Three of them are 40°, 40° and 240°. What is the fourth angle (in degrees)?
18. 18.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) South (d) East
19. 19.Three angles together make a straight line. Two of them are 15° and 100°. What is the third angle (in degrees)?
20. 20.An angle measures 35°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
21. 21.Three angles together make a straight line. Two of them are 70° and 65°. What is the third angle (in degrees)?
22. 22.The minute hand of a clock turns clockwise from 12 to 8. How many degrees does it turn?
23. 23.Three angles together make a straight line. Two of them are 30° and 75°. What is the third angle (in degrees)?
24. 24.Four angles meet at a point. Three of them are 100°, 80° and 40°. What is the fourth angle (in degrees)?
25. 25.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
26. 26.Three angles together make a straight line. Two of them are 25° and 95°. What is the third angle (in degrees)?
27. 27.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
28. 28.You face South and turn clockwise through 90°. Which direction do you face now? (a) West (b) South (c) East (d) North
29. 29.An angle measures 270°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
30. 30.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) South (c) East (d) West
31. 31.Three angles together make a straight line. Two of them are 65° and 30°. What is the third angle (in degrees)?
32. 32.The minute hand of a clock turns clockwise from 1 to 7. How many degrees does it turn?
33. 33.You face South and turn clockwise through 270°. Which direction do you face now? (a) West (b) East (c) South (d) North
34. 34.Three angles together make a straight line. Two of them are 50° and 45°. What is the third angle (in degrees)?
35. 35.Three angles together make a straight line. Two of them are 50° and 40°. What is the third angle (in degrees)?
36. 36.Four angles meet at a point. Three of them are 90°, 40° and 80°. What is the fourth angle (in degrees)?
37. 37.Four angles meet at a point. Three of them are 30°, 70° and 40°. What is the fourth angle (in degrees)?
38. 38.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
39. 39.The minute hand of a clock turns clockwise from 8 to 12. How many degrees does it turn?
40. 40.Three angles together make a straight line. Two of them are 25° and 130°. What is the third angle (in degrees)?

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