Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 660 · 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 80°, 90° and 160°. What is the fourth angle (in degrees)?
2. 2.Four angles meet at a point. Three of them are 30°, 50° and 190°. What is the fourth angle (in degrees)?
3. 3.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
4. 4.An angle measures 90°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
5. 5.An angle measures 320°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
6. 6.Three angles together make a straight line. Two of them are 15° and 50°. What is the third angle (in degrees)?
7. 7.The minute hand of a clock turns clockwise from 1 to 9. How many degrees does it turn?
8. 8.Four angles meet at a point. Three of them are 30°, 100° and 200°. What is the fourth angle (in degrees)?
9. 9.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
10. 10.An angle measures 325°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
11. 11.An angle measures 80°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
12. 12.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
13. 13.You face West and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West
14. 14.An angle measures 110°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
15. 15.Four angles meet at a point. Three of them are 70°, 70° and 90°. What is the fourth angle (in degrees)?
16. 16.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
17. 17.Three angles together make a straight line. Two of them are 85° and 25°. What is the third angle (in degrees)?
18. 18.The minute hand of a clock turns clockwise from 2 to 11. How many degrees does it turn?
19. 19.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) West (c) North (d) South
20. 20.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) South (d) East
21. 21.An angle measures 155°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
22. 22.Four angles meet at a point. Three of them are 100°, 100° and 110°. What is the fourth angle (in degrees)?
23. 23.Three angles together make a straight line. Two of them are 95° and 65°. What is the third angle (in degrees)?
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.Three angles together make a straight line. Two of them are 95° and 50°. What is the third angle (in degrees)?
26. 26.The minute hand of a clock turns clockwise from 1 to 8. How many degrees does it turn?
27. 27.Three angles together make a straight line. Two of them are 25° and 115°. What is the third angle (in degrees)?
28. 28.The minute hand of a clock turns clockwise from 2 to 3. How many degrees does it turn?
29. 29.An angle measures 55°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
30. 30.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) South (c) East (d) West
31. 31.Three angles together make a straight line. Two of them are 95° and 35°. What is the third angle (in degrees)?
32. 32.An angle measures 60°. What kind of angle is it? (a) Acute (b) Straight (c) Right
33. 33.Four angles meet at a point. Three of them are 30°, 40° and 260°. What is the fourth angle (in degrees)?
34. 34.You face East and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
35. 35.The minute hand of a clock turns clockwise from 10 to 7. How many degrees does it turn?
36. 36.The minute hand of a clock turns clockwise from 5 to 2. How many degrees does it turn?
37. 37.Four angles meet at a point. Three of them are 50°, 90° and 60°. What is the fourth angle (in degrees)?
38. 38.The minute hand of a clock turns clockwise from 10 to 3. How many degrees does it turn?
39. 39.Four angles meet at a point. Three of them are 90°, 70° and 90°. What is the fourth angle (in degrees)?
40. 40.The minute hand of a clock turns clockwise from 7 to 9. How many degrees does it turn?

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