Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 711 · 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 80° and 75°. What is the third angle (in degrees)?
2. 2.Four angles meet at a point. Three of them are 50°, 90° and 110°. What is the fourth angle (in degrees)?
3. 3.The minute hand of a clock turns clockwise from 7 to 9. How many degrees does it turn?
4. 4.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) South (d) North
5. 5.Three angles together make a straight line. Two of them are 10° and 150°. What is the third angle (in degrees)?
6. 6.Three angles together make a straight line. Two of them are 35° and 10°. What is the third angle (in degrees)?
7. 7.The minute hand of a clock turns clockwise from 11 to 10. How many degrees does it turn?
8. 8.The minute hand of a clock turns clockwise from 9 to 12. How many degrees does it turn?
9. 9.Four angles meet at a point. Three of them are 70°, 30° and 30°. What is the fourth angle (in degrees)?
10. 10.The minute hand of a clock turns clockwise from 8 to 7. How many degrees does it turn?
11. 11.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
12. 12.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
13. 13.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
14. 14.Four angles meet at a point. Three of them are 90°, 30° and 140°. What is the fourth angle (in degrees)?
15. 15.Three angles together make a straight line. Two of them are 35° and 105°. What is the third angle (in degrees)?
16. 16.Four angles meet at a point. Three of them are 40°, 60° and 230°. What is the fourth angle (in degrees)?
17. 17.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) North (c) East (d) South
18. 18.The minute hand of a clock turns clockwise from 6 to 11. How many degrees does it turn?
19. 19.The minute hand of a clock turns clockwise from 4 to 8. How many degrees does it turn?
20. 20.An angle measures 285°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
21. 21.An angle measures 75°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
22. 22.An angle measures 175°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
23. 23.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
24. 24.The minute hand of a clock turns clockwise from 8 to 2. How many degrees does it turn?
25. 25.The minute hand of a clock turns clockwise from 10 to 11. How many degrees does it turn?
26. 26.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
27. 27.The minute hand of a clock turns clockwise from 8 to 5. How many degrees does it turn?
28. 28.Three angles together make a straight line. Two of them are 55° and 65°. What is the third angle (in degrees)?
29. 29.Three angles together make a straight line. Two of them are 60° and 35°. What is the third angle (in degrees)?
30. 30.The minute hand of a clock turns clockwise from 3 to 11. How many degrees does it turn?
31. 31.The minute hand of a clock turns clockwise from 1 to 6. How many degrees does it turn?
32. 32.Three angles together make a straight line. Two of them are 60° and 30°. What is the third angle (in degrees)?
33. 33.The minute hand of a clock turns clockwise from 1 to 11. How many degrees does it turn?
34. 34.Three angles together make a straight line. Two of them are 65° and 100°. What is the third angle (in degrees)?
35. 35.Four angles meet at a point. Three of them are 60°, 90° and 80°. What is the fourth angle (in degrees)?
36. 36.You face West and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) West (d) East
37. 37.The minute hand of a clock turns clockwise from 1 to 12. How many degrees does it turn?
38. 38.Three angles together make a straight line. Two of them are 25° and 90°. What is the third angle (in degrees)?
39. 39.Three angles together make a straight line. Two of them are 55° and 30°. What is the third angle (in degrees)?
40. 40.The minute hand of a clock turns clockwise from 3 to 2. How many degrees does it turn?

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