Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 761 · 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 55° and 15°. What is the third angle (in degrees)?
2. 2.An angle measures 245°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
3. 3.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
4. 4.Three angles together make a straight line. Two of them are 30° and 60°. What is the third angle (in degrees)?
5. 5.An angle measures 185°. What kind of angle is it? (a) Reflex (b) Right (c) Straight
6. 6.Three angles together make a straight line. Two of them are 25° and 40°. What is the third angle (in degrees)?
7. 7.Four angles meet at a point. Three of them are 90°, 100° and 100°. What is the fourth angle (in degrees)?
8. 8.You face South and turn clockwise through 270°. Which direction do you face now? (a) North (b) East (c) South (d) West
9. 9.The minute hand of a clock turns clockwise from 6 to 9. How many degrees does it turn?
10. 10.Three angles together make a straight line. Two of them are 70° and 25°. What is the third angle (in degrees)?
11. 11.Four angles meet at a point. Three of them are 30°, 100° and 90°. What is the fourth angle (in degrees)?
12. 12.An angle measures 10°. What kind of angle is it? (a) Right (b) Acute (c) Straight
13. 13.Four angles meet at a point. Three of them are 70°, 30° and 100°. What is the fourth angle (in degrees)?
14. 14.The minute hand of a clock turns clockwise from 5 to 1. How many degrees does it turn?
15. 15.Three angles together make a straight line. Two of them are 25° and 100°. What is the third angle (in degrees)?
16. 16.Three angles together make a straight line. Two of them are 100° and 20°. What is the third angle (in degrees)?
17. 17.The minute hand of a clock turns clockwise from 10 to 9. How many degrees does it turn?
18. 18.Three angles together make a straight line. Two of them are 70° and 45°. What is the third angle (in degrees)?
19. 19.Three angles together make a straight line. Two of them are 45° and 20°. What is the third angle (in degrees)?
20. 20.Four angles meet at a point. Three of them are 30°, 50° and 70°. What is the fourth angle (in degrees)?
21. 21.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
22. 22.An angle measures 35°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
23. 23.The minute hand of a clock turns clockwise from 3 to 9. How many degrees does it turn?
24. 24.Three angles together make a straight line. Two of them are 100° and 10°. What is the third angle (in degrees)?
25. 25.You face North and turn clockwise through 270°. Which direction do you face now? (a) North (b) West (c) South (d) East
26. 26.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
27. 27.Four angles meet at a point. Three of them are 90°, 100° and 150°. What is the fourth angle (in degrees)?
28. 28.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
29. 29.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) South (c) North (d) East
30. 30.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
31. 31.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
32. 32.An angle measures 260°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
33. 33.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
34. 34.Three angles together make a straight line. Two of them are 65° and 45°. What is the third angle (in degrees)?
35. 35.An angle measures 40°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
36. 36.Three angles together make a straight line. Two of them are 95° and 10°. What is the third angle (in degrees)?
37. 37.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
38. 38.You face West and turn clockwise through 180°. Which direction do you face now? (a) East (b) South (c) North (d) West
39. 39.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
40. 40.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?

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