Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 53 · 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 10° and 55°. What is the third angle (in degrees)?
2. 2.Three angles together make a straight line. Two of them are 15° and 50°. What is the third angle (in degrees)?
3. 3.Four angles meet at a point. Three of them are 30°, 80° and 240°. What is the fourth angle (in degrees)?
4. 4.You face North and turn clockwise through 180°. Which direction do you face now? (a) South (b) West (c) North (d) East
5. 5.Three angles together make a straight line. Two of them are 30° and 90°. What is the third angle (in degrees)?
6. 6.Four angles meet at a point. Three of them are 90°, 60° and 80°. What is the fourth angle (in degrees)?
7. 7.The minute hand of a clock turns clockwise from 6 to 10. How many degrees does it turn?
8. 8.The minute hand of a clock turns clockwise from 9 to 4. How many degrees does it turn?
9. 9.Three angles together make a straight line. Two of them are 100° and 60°. What is the third angle (in degrees)?
10. 10.An angle measures 90°. What kind of angle is it? (a) Reflex (b) Straight (c) Right
11. 11.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
12. 12.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
13. 13.Four angles meet at a point. Three of them are 80°, 30° and 120°. What is the fourth angle (in degrees)?
14. 14.An angle measures 5°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
15. 15.The minute hand of a clock turns clockwise from 10 to 6. How many degrees does it turn?
16. 16.You face South and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
17. 17.Three angles together make a straight line. Two of them are 55° and 60°. What is the third angle (in degrees)?
18. 18.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) North (c) East (d) West
19. 19.Three angles together make a straight line. Two of them are 85° and 40°. What is the third angle (in degrees)?
20. 20.Three angles together make a straight line. Two of them are 60° and 105°. What is the third angle (in degrees)?
21. 21.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
22. 22.The minute hand of a clock turns clockwise from 4 to 10. How many degrees does it turn?
23. 23.Three angles together make a straight line. Two of them are 80° and 75°. What is the third angle (in degrees)?
24. 24.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
25. 25.Four angles meet at a point. Three of them are 40°, 50° and 250°. What is the fourth angle (in degrees)?
26. 26.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
27. 27.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
28. 28.An angle measures 95°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
29. 29.An angle measures 225°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
30. 30.The minute hand of a clock turns clockwise from 10 to 11. How many degrees does it turn?
31. 31.You face West and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) West (d) North
32. 32.An angle measures 80°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
33. 33.An angle measures 40°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
34. 34.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
35. 35.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
36. 36.Four angles meet at a point. Three of them are 70°, 90° and 30°. What is the fourth angle (in degrees)?
37. 37.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
38. 38.Four angles meet at a point. Three of them are 70°, 80° and 190°. What is the fourth angle (in degrees)?
39. 39.You face East and turn clockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
40. 40.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?

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