Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 87 · 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.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
2. 2.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) South (d) East
3. 3.Three angles together make a straight line. Two of them are 90° and 25°. What is the third angle (in degrees)?
4. 4.Four angles meet at a point. Three of them are 60°, 90° and 30°. What is the fourth angle (in degrees)?
5. 5.You face South and turn clockwise through 90°. Which direction do you face now? (a) East (b) North (c) West (d) South
6. 6.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
7. 7.Three angles together make a straight line. Two of them are 85° and 70°. What is the third angle (in degrees)?
8. 8.Three angles together make a straight line. Two of them are 95° and 50°. What is the third angle (in degrees)?
9. 9.Three angles together make a straight line. Two of them are 65° and 100°. What is the third angle (in degrees)?
10. 10.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
11. 11.The minute hand of a clock turns clockwise from 4 to 3. How many degrees does it turn?
12. 12.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
13. 13.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
14. 14.Four angles meet at a point. Three of them are 90°, 70° and 40°. What is the fourth angle (in degrees)?
15. 15.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
16. 16.An angle measures 320°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
17. 17.The minute hand of a clock turns clockwise from 2 to 1. How many degrees does it turn?
18. 18.Three angles together make a straight line. Two of them are 75° and 20°. What is the third angle (in degrees)?
19. 19.Three angles together make a straight line. Two of them are 85° and 25°. What is the third angle (in degrees)?
20. 20.The minute hand of a clock turns clockwise from 2 to 12. How many degrees does it turn?
21. 21.An angle measures 100°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
22. 22.The minute hand of a clock turns clockwise from 4 to 1. How many degrees does it turn?
23. 23.The minute hand of a clock turns clockwise from 1 to 4. How many degrees does it turn?
24. 24.Three angles together make a straight line. Two of them are 75° and 65°. What is the third angle (in degrees)?
25. 25.Three angles together make a straight line. Two of them are 50° and 55°. What is the third angle (in degrees)?
26. 26.Four angles meet at a point. Three of them are 100°, 100° and 30°. What is the fourth angle (in degrees)?
27. 27.Four angles meet at a point. Three of them are 90°, 90° and 60°. What is the fourth angle (in degrees)?
28. 28.An angle measures 110°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
29. 29.Four angles meet at a point. Three of them are 80°, 90° and 60°. What is the fourth angle (in degrees)?
30. 30.The minute hand of a clock turns clockwise from 10 to 6. How many degrees does it turn?
31. 31.An angle measures 165°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
32. 32.Three angles together make a straight line. Two of them are 80° and 25°. What is the third angle (in degrees)?
33. 33.The minute hand of a clock turns clockwise from 10 to 11. How many degrees does it turn?
34. 34.Three angles together make a straight line. Two of them are 20° and 15°. What is the third angle (in degrees)?
35. 35.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) South (c) North (d) West
36. 36.Three angles together make a straight line. Two of them are 95° and 35°. What is the third angle (in degrees)?
37. 37.The minute hand of a clock turns clockwise from 8 to 12. How many degrees does it turn?
38. 38.Four angles meet at a point. Three of them are 50°, 90° and 60°. What is the fourth angle (in degrees)?
39. 39.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
40. 40.Four angles meet at a point. Three of them are 70°, 70° and 180°. What is the fourth angle (in degrees)?

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