Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 825 · 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.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
2. 2.Three angles together make a straight line. Two of them are 80° and 60°. What is the third angle (in degrees)?
3. 3.Three angles together make a straight line. Two of them are 80° and 65°. What is the third angle (in degrees)?
4. 4.Four angles meet at a point. Three of them are 60°, 30° and 220°. What is the fourth angle (in degrees)?
5. 5.You face North and turn clockwise through 180°. Which direction do you face now? (a) West (b) South (c) East (d) North
6. 6.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
7. 7.An angle measures 10°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
8. 8.An angle measures 35°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
9. 9.Four angles meet at a point. Three of them are 50°, 30° and 170°. What is the fourth angle (in degrees)?
10. 10.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
11. 11.An angle measures 15°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
12. 12.Three angles together make a straight line. Two of them are 10° and 45°. What is the third angle (in degrees)?
13. 13.Three angles together make a straight line. Two of them are 30° and 25°. What is the third angle (in degrees)?
14. 14.Four angles meet at a point. Three of them are 100°, 50° and 150°. What is the fourth angle (in degrees)?
15. 15.An angle measures 80°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
16. 16.Three angles together make a straight line. Two of them are 40° and 130°. What is the third angle (in degrees)?
17. 17.Four angles meet at a point. Three of them are 90°, 90° and 80°. What is the fourth angle (in degrees)?
18. 18.The minute hand of a clock turns clockwise from 6 to 9. How many degrees does it turn?
19. 19.Four angles meet at a point. Three of them are 80°, 60° and 130°. What is the fourth angle (in degrees)?
20. 20.Four angles meet at a point. Three of them are 40°, 40° and 90°. What is the fourth angle (in degrees)?
21. 21.The minute hand of a clock turns clockwise from 11 to 10. How many degrees does it turn?
22. 22.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
23. 23.Four angles meet at a point. Three of them are 30°, 40° and 220°. What is the fourth angle (in degrees)?
24. 24.An angle measures 55°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
25. 25.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
26. 26.Three angles together make a straight line. Two of them are 100° and 35°. What is the third angle (in degrees)?
27. 27.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) East (c) South (d) North
28. 28.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
29. 29.Three angles together make a straight line. Two of them are 15° and 155°. What is the third angle (in degrees)?
30. 30.Three angles together make a straight line. Two of them are 50° and 20°. What is the third angle (in degrees)?
31. 31.An angle measures 20°. What kind of angle is it? (a) Right (b) Acute (c) Straight
32. 32.The minute hand of a clock turns clockwise from 10 to 5. How many degrees does it turn?
33. 33.An angle measures 180°. What kind of angle is it? (a) Straight (b) Reflex (c) Right
34. 34.An angle measures 135°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
35. 35.Three angles together make a straight line. Two of them are 90° and 20°. What is the third angle (in degrees)?
36. 36.Three angles together make a straight line. Two of them are 25° and 40°. What is the third angle (in degrees)?
37. 37.The minute hand of a clock turns clockwise from 3 to 1. How many degrees does it turn?
38. 38.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) North (d) East
39. 39.The minute hand of a clock turns clockwise from 9 to 6. How many degrees does it turn?
40. 40.Four angles meet at a point. Three of them are 100°, 100° and 90°. What is the fourth angle (in degrees)?

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