Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 61 · 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 35°. What is the third angle (in degrees)?
2. 2.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
3. 3.Three angles together make a straight line. Two of them are 65° and 45°. What is the third angle (in degrees)?
4. 4.The minute hand of a clock turns clockwise from 2 to 8. How many degrees does it turn?
5. 5.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) West (c) East (d) South
6. 6.An angle measures 25°. What kind of angle is it? (a) Right (b) Acute (c) Straight
7. 7.Four angles meet at a point. Three of them are 70°, 70° and 140°. What is the fourth angle (in degrees)?
8. 8.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) North (d) East
9. 9.An angle measures 355°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
10. 10.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) North (c) South (d) West
11. 11.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
12. 12.An angle measures 125°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
13. 13.You face North and turn clockwise through 90°. Which direction do you face now? (a) South (b) West (c) East (d) North
14. 14.An angle measures 235°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
15. 15.Four angles meet at a point. Three of them are 90°, 90° and 170°. What is the fourth angle (in degrees)?
16. 16.Three angles together make a straight line. Two of them are 40° and 15°. What is the third angle (in degrees)?
17. 17.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
18. 18.Four angles meet at a point. Three of them are 30°, 40° and 110°. What is the fourth angle (in degrees)?
19. 19.Four angles meet at a point. Three of them are 30°, 50° and 60°. What is the fourth angle (in degrees)?
20. 20.You face South and turn clockwise through 180°. Which direction do you face now? (a) North (b) South (c) East (d) West
21. 21.Four angles meet at a point. Three of them are 30°, 30° and 160°. What is the fourth angle (in degrees)?
22. 22.Three angles together make a straight line. Two of them are 30° and 100°. What is the third angle (in degrees)?
23. 23.The minute hand of a clock turns clockwise from 10 to 6. How many degrees does it turn?
24. 24.The minute hand of a clock turns clockwise from 12 to 10. How many degrees does it turn?
25. 25.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) North (c) South (d) West
26. 26.Four angles meet at a point. Three of them are 90°, 80° and 180°. What is the fourth angle (in degrees)?
27. 27.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
28. 28.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) East (c) South (d) West
29. 29.Three angles together make a straight line. Two of them are 35° and 40°. What is the third angle (in degrees)?
30. 30.Three angles together make a straight line. Two of them are 100° and 55°. What is the third angle (in degrees)?
31. 31.Four angles meet at a point. Three of them are 30°, 70° and 90°. What is the fourth angle (in degrees)?
32. 32.The minute hand of a clock turns clockwise from 9 to 12. How many degrees does it turn?
33. 33.Four angles meet at a point. Three of them are 100°, 60° and 100°. What is the fourth angle (in degrees)?
34. 34.The minute hand of a clock turns clockwise from 2 to 3. How many degrees does it turn?
35. 35.The minute hand of a clock turns clockwise from 2 to 1. How many degrees does it turn?
36. 36.Three angles together make a straight line. Two of them are 30° and 35°. What is the third angle (in degrees)?
37. 37.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) South (d) North
38. 38.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
39. 39.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
40. 40.An angle measures 95°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight

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