Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 483 · 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 70° and 90°. What is the third angle (in degrees)?
2. 2.Four angles meet at a point. Three of them are 30°, 60° and 60°. What is the fourth angle (in degrees)?
3. 3.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
4. 4.An angle measures 270°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
5. 5.You face West and turn clockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
6. 6.Three angles together make a straight line. Two of them are 30° and 40°. What is the third angle (in degrees)?
7. 7.Three angles together make a straight line. Two of them are 40° and 50°. What is the third angle (in degrees)?
8. 8.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Reflex
9. 9.You face South and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) West (d) North
10. 10.Three angles together make a straight line. Two of them are 20° and 115°. What is the third angle (in degrees)?
11. 11.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
12. 12.Three angles together make a straight line. Two of them are 70° and 70°. What is the third angle (in degrees)?
13. 13.An angle measures 145°. What kind of angle is it? (a) Right (b) Reflex (c) Obtuse
14. 14.An angle measures 55°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
15. 15.Four angles meet at a point. Three of them are 50°, 90° and 200°. What is the fourth angle (in degrees)?
16. 16.The minute hand of a clock turns clockwise from 7 to 4. How many degrees does it turn?
17. 17.An angle measures 50°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
18. 18.An angle measures 325°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
19. 19.Three angles together make a straight line. Two of them are 80° and 40°. What is the third angle (in degrees)?
20. 20.Four angles meet at a point. Three of them are 100°, 70° and 120°. What is the fourth angle (in degrees)?
21. 21.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) West (c) East (d) North
22. 22.The minute hand of a clock turns clockwise from 7 to 9. How many degrees does it turn?
23. 23.Four angles meet at a point. Three of them are 70°, 100° and 160°. What is the fourth angle (in degrees)?
24. 24.An angle measures 280°. What kind of angle is it? (a) Right (b) Reflex (c) Obtuse
25. 25.You face South and turn clockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
26. 26.The minute hand of a clock turns clockwise from 6 to 1. How many degrees does it turn?
27. 27.The minute hand of a clock turns clockwise from 11 to 4. How many degrees does it turn?
28. 28.The minute hand of a clock turns clockwise from 7 to 10. How many degrees does it turn?
29. 29.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
30. 30.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
31. 31.The minute hand of a clock turns clockwise from 10 to 9. How many degrees does it turn?
32. 32.Four angles meet at a point. Three of them are 80°, 30° and 170°. What is the fourth angle (in degrees)?
33. 33.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
34. 34.Three angles together make a straight line. Two of them are 75° and 30°. What is the third angle (in degrees)?
35. 35.Four angles meet at a point. Three of them are 70°, 90° and 90°. What is the fourth angle (in degrees)?
36. 36.An angle measures 95°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
37. 37.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
38. 38.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
39. 39.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) South (d) East
40. 40.The minute hand of a clock turns clockwise from 3 to 4. How many degrees does it turn?

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