Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 927 · 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.Four angles meet at a point. Three of them are 50°, 80° and 60°. What is the fourth angle (in degrees)?
2. 2.The minute hand of a clock turns clockwise from 3 to 4. How many degrees does it turn?
3. 3.You face South and turn clockwise through 90°. Which direction do you face now? (a) East (b) South (c) West (d) North
4. 4.An angle measures 160°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
5. 5.You face East and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) West (d) East
6. 6.The minute hand of a clock turns clockwise from 8 to 2. How many degrees does it turn?
7. 7.The minute hand of a clock turns clockwise from 9 to 5. How many degrees does it turn?
8. 8.An angle measures 120°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
9. 9.An angle measures 340°. What kind of angle is it? (a) Obtuse (b) Straight (c) Reflex
10. 10.The minute hand of a clock turns clockwise from 5 to 8. How many degrees does it turn?
11. 11.Three angles together make a straight line. Two of them are 100° and 60°. What is the third angle (in degrees)?
12. 12.Three angles together make a straight line. Two of them are 45° and 10°. What is the third angle (in degrees)?
13. 13.An angle measures 240°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
14. 14.Three angles together make a straight line. Two of them are 85° and 75°. What is the third angle (in degrees)?
15. 15.An angle measures 80°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
16. 16.The minute hand of a clock turns clockwise from 8 to 7. How many degrees does it turn?
17. 17.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) South (c) North (d) West
18. 18.An angle measures 55°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
19. 19.Four angles meet at a point. Three of them are 70°, 30° and 40°. What is the fourth angle (in degrees)?
20. 20.An angle measures 245°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
21. 21.Four angles meet at a point. Three of them are 70°, 30° and 100°. What is the fourth angle (in degrees)?
22. 22.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
23. 23.An angle measures 150°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
24. 24.An angle measures 60°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
25. 25.The minute hand of a clock turns clockwise from 6 to 10. How many degrees does it turn?
26. 26.Four angles meet at a point. Three of them are 90°, 40° and 150°. What is the fourth angle (in degrees)?
27. 27.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
28. 28.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
29. 29.Three angles together make a straight line. Two of them are 20° and 50°. What is the third angle (in degrees)?
30. 30.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
31. 31.You face West and turn clockwise through 270°. Which direction do you face now? (a) East (b) South (c) North (d) West
32. 32.Four angles meet at a point. Three of them are 30°, 100° and 110°. What is the fourth angle (in degrees)?
33. 33.Four angles meet at a point. Three of them are 80°, 40° and 220°. What is the fourth angle (in degrees)?
34. 34.Three angles together make a straight line. Two of them are 50° and 115°. What is the third angle (in degrees)?
35. 35.An angle measures 40°. What kind of angle is it? (a) Straight (b) Acute (c) Right
36. 36.The minute hand of a clock turns clockwise from 2 to 12. How many degrees does it turn?
37. 37.Three angles together make a straight line. Two of them are 40° and 125°. What is the third angle (in degrees)?
38. 38.Four angles meet at a point. Three of them are 80°, 90° and 50°. What is the fourth angle (in degrees)?
39. 39.Four angles meet at a point. Three of them are 50°, 70° and 140°. What is the fourth angle (in degrees)?
40. 40.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?

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