Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 807 · 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 40°. What is the fourth angle (in degrees)?
2. 2.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
3. 3.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
4. 4.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
5. 5.An angle measures 180°. What kind of angle is it? (a) Right (b) Acute (c) Straight
6. 6.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
7. 7.The minute hand of a clock turns clockwise from 3 to 5. How many degrees does it turn?
8. 8.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
9. 9.Four angles meet at a point. Three of them are 70°, 100° and 140°. What is the fourth angle (in degrees)?
10. 10.An angle measures 305°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
11. 11.The minute hand of a clock turns clockwise from 7 to 10. How many degrees does it turn?
12. 12.An angle measures 155°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
13. 13.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
14. 14.The minute hand of a clock turns clockwise from 1 to 8. How many degrees does it turn?
15. 15.An angle measures 115°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
16. 16.The minute hand of a clock turns clockwise from 3 to 8. How many degrees does it turn?
17. 17.Four angles meet at a point. Three of them are 90°, 30° and 30°. What is the fourth angle (in degrees)?
18. 18.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
19. 19.An angle measures 165°. What kind of angle is it? (a) Obtuse (b) Straight (c) Reflex
20. 20.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
21. 21.The minute hand of a clock turns clockwise from 1 to 2. How many degrees does it turn?
22. 22.You face South and turn clockwise through 270°. Which direction do you face now? (a) South (b) East (c) West (d) North
23. 23.Four angles meet at a point. Three of them are 30°, 100° and 50°. What is the fourth angle (in degrees)?
24. 24.Three angles together make a straight line. Two of them are 65° and 35°. What is the third angle (in degrees)?
25. 25.Three angles together make a straight line. Two of them are 35° and 115°. What is the third angle (in degrees)?
26. 26.Four angles meet at a point. Three of them are 30°, 90° and 30°. What is the fourth angle (in degrees)?
27. 27.Three angles together make a straight line. Two of them are 35° and 65°. What is the third angle (in degrees)?
28. 28.Three angles together make a straight line. Two of them are 35° and 125°. What is the third angle (in degrees)?
29. 29.You face North and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West
30. 30.An angle measures 255°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
31. 31.The minute hand of a clock turns clockwise from 10 to 2. How many degrees does it turn?
32. 32.Three angles together make a straight line. Two of them are 75° and 40°. What is the third angle (in degrees)?
33. 33.Four angles meet at a point. Three of them are 80°, 70° and 40°. What is the fourth angle (in degrees)?
34. 34.Four angles meet at a point. Three of them are 100°, 90° and 100°. What is the fourth angle (in degrees)?
35. 35.An angle measures 245°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
36. 36.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) North (c) West (d) East
37. 37.Three angles together make a straight line. Two of them are 50° and 105°. What is the third angle (in degrees)?
38. 38.An angle measures 25°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
39. 39.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) East (d) South
40. 40.Four angles meet at a point. Three of them are 90°, 30° and 180°. What is the fourth angle (in degrees)?

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