Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 703 · 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 60° and 85°. What is the third angle (in degrees)?
2. 2.Three angles together make a straight line. Two of them are 45° and 80°. What is the third angle (in degrees)?
3. 3.Three angles together make a straight line. Two of them are 100° and 30°. What is the third angle (in degrees)?
4. 4.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) North (d) West
5. 5.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
6. 6.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
7. 7.An angle measures 25°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
8. 8.You face East and turn clockwise through 180°. Which direction do you face now? (a) West (b) South (c) North (d) East
9. 9.An angle measures 45°. What kind of angle is it? (a) Right (b) Straight (c) Acute
10. 10.Three angles together make a straight line. Two of them are 25° and 30°. What is the third angle (in degrees)?
11. 11.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
12. 12.The minute hand of a clock turns clockwise from 6 to 7. How many degrees does it turn?
13. 13.An angle measures 295°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
14. 14.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
15. 15.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
16. 16.The minute hand of a clock turns clockwise from 6 to 9. How many degrees does it turn?
17. 17.The minute hand of a clock turns clockwise from 7 to 1. How many degrees does it turn?
18. 18.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
19. 19.Three angles together make a straight line. Two of them are 30° and 30°. What is the third angle (in degrees)?
20. 20.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
21. 21.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) East (c) North (d) West
22. 22.Three angles together make a straight line. Two of them are 90° and 30°. What is the third angle (in degrees)?
23. 23.Three angles together make a straight line. Two of them are 65° and 90°. What is the third angle (in degrees)?
24. 24.Three angles together make a straight line. Two of them are 60° and 95°. What is the third angle (in degrees)?
25. 25.An angle measures 160°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
26. 26.An angle measures 100°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
27. 27.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
28. 28.Three angles together make a straight line. Two of them are 70° and 100°. What is the third angle (in degrees)?
29. 29.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) West (c) South (d) North
30. 30.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
31. 31.You face West and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
32. 32.Four angles meet at a point. Three of them are 100°, 70° and 30°. What is the fourth angle (in degrees)?
33. 33.Four angles meet at a point. Three of them are 90°, 70° and 90°. What is the fourth angle (in degrees)?
34. 34.Four angles meet at a point. Three of them are 80°, 50° and 70°. What is the fourth angle (in degrees)?
35. 35.Three angles together make a straight line. Two of them are 10° and 160°. What is the third angle (in degrees)?
36. 36.The minute hand of a clock turns clockwise from 12 to 9. How many degrees does it turn?
37. 37.Three angles together make a straight line. Two of them are 25° and 60°. What is the third angle (in degrees)?
38. 38.The minute hand of a clock turns clockwise from 4 to 12. How many degrees does it turn?
39. 39.The minute hand of a clock turns clockwise from 12 to 10. How many degrees does it turn?
40. 40.The minute hand of a clock turns clockwise from 4 to 10. How many degrees does it turn?

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