Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 522 · 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.An angle measures 160°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
2. 2.An angle measures 195°. What kind of angle is it? (a) Right (b) Obtuse (c) Reflex
3. 3.An angle measures 190°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
4. 4.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) West (c) South (d) East
5. 5.Three angles together make a straight line. Two of them are 25° and 115°. What is the third angle (in degrees)?
6. 6.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
7. 7.The minute hand of a clock turns clockwise from 10 to 2. How many degrees does it turn?
8. 8.Four angles meet at a point. Three of them are 50°, 50° and 210°. What is the fourth angle (in degrees)?
9. 9.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
10. 10.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
11. 11.Three angles together make a straight line. Two of them are 10° and 45°. What is the third angle (in degrees)?
12. 12.The minute hand of a clock turns clockwise from 8 to 5. How many degrees does it turn?
13. 13.The minute hand of a clock turns clockwise from 1 to 9. How many degrees does it turn?
14. 14.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) South (d) North
15. 15.Four angles meet at a point. Three of them are 80°, 70° and 160°. What is the fourth angle (in degrees)?
16. 16.The minute hand of a clock turns clockwise from 3 to 11. How many degrees does it turn?
17. 17.The minute hand of a clock turns clockwise from 10 to 9. How many degrees does it turn?
18. 18.You face North and turn clockwise through 270°. Which direction do you face now? (a) West (b) East (c) South (d) North
19. 19.The minute hand of a clock turns clockwise from 2 to 8. How many degrees does it turn?
20. 20.Three angles together make a straight line. Two of them are 55° and 65°. What is the third angle (in degrees)?
21. 21.You face West and turn clockwise through 270°. Which direction do you face now? (a) East (b) West (c) South (d) North
22. 22.Three angles together make a straight line. Two of them are 100° and 65°. What is the third angle (in degrees)?
23. 23.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) South (c) West (d) North
24. 24.Four angles meet at a point. Three of them are 80°, 50° and 180°. What is the fourth angle (in degrees)?
25. 25.Three angles together make a straight line. Two of them are 100° and 45°. What is the third angle (in degrees)?
26. 26.The minute hand of a clock turns clockwise from 1 to 3. How many degrees does it turn?
27. 27.You face North and turn clockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
28. 28.You face South and turn clockwise through 180°. Which direction do you face now? (a) North (b) South (c) West (d) East
29. 29.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
30. 30.An angle measures 335°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
31. 31.An angle measures 130°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
32. 32.The minute hand of a clock turns clockwise from 3 to 1. How many degrees does it turn?
33. 33.Four angles meet at a point. Three of them are 40°, 70° and 130°. What is the fourth angle (in degrees)?
34. 34.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
35. 35.The minute hand of a clock turns clockwise from 3 to 8. How many degrees does it turn?
36. 36.A full turn (360°) is split into 12 equal angles. How big is each 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.Four angles meet at a point. Three of them are 80°, 70° and 140°. What is the fourth angle (in degrees)?
39. 39.Three angles together make a straight line. Two of them are 45° and 15°. What is the third angle (in degrees)?
40. 40.Three angles together make a straight line. Two of them are 35° and 40°. What is the third angle (in degrees)?

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