Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 416 · 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 210°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
2. 2.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
3. 3.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
4. 4.Four angles meet at a point. Three of them are 50°, 50° and 30°. What is the fourth angle (in degrees)?
5. 5.Four angles meet at a point. Three of them are 30°, 70° and 30°. What is the fourth angle (in degrees)?
6. 6.The minute hand of a clock turns clockwise from 2 to 3. How many degrees does it turn?
7. 7.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) West (c) North (d) South
8. 8.An angle measures 340°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
9. 9.Four angles meet at a point. Three of them are 100°, 50° and 180°. What is the fourth angle (in degrees)?
10. 10.An angle measures 245°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
11. 11.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) South (c) North (d) West
12. 12.You face West and turn clockwise through 270°. Which direction do you face now? (a) North (b) East (c) South (d) West
13. 13.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
14. 14.An angle measures 155°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
15. 15.An angle measures 100°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
16. 16.The minute hand of a clock turns clockwise from 6 to 5. How many degrees does it turn?
17. 17.The minute hand of a clock turns clockwise from 4 to 10. How many degrees does it turn?
18. 18.Three angles together make a straight line. Two of them are 30° and 110°. What is the third angle (in degrees)?
19. 19.The minute hand of a clock turns clockwise from 9 to 4. How many degrees does it turn?
20. 20.An angle measures 75°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
21. 21.Three angles together make a straight line. Two of them are 40° and 130°. What is the third angle (in degrees)?
22. 22.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
23. 23.An angle measures 325°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
24. 24.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
25. 25.The minute hand of a clock turns clockwise from 1 to 2. How many degrees does it turn?
26. 26.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) South (d) North
27. 27.The minute hand of a clock turns clockwise from 10 to 4. How many degrees does it turn?
28. 28.An angle measures 25°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
29. 29.Three angles together make a straight line. Two of them are 95° and 35°. What is the third angle (in degrees)?
30. 30.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) South (c) North (d) East
31. 31.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) West (c) North (d) East
32. 32.Four angles meet at a point. Three of them are 90°, 100° and 120°. What is the fourth angle (in degrees)?
33. 33.The minute hand of a clock turns clockwise from 12 to 10. How many degrees does it turn?
34. 34.Four angles meet at a point. Three of them are 30°, 50° and 220°. What is the fourth angle (in degrees)?
35. 35.The minute hand of a clock turns clockwise from 6 to 8. How many degrees does it turn?
36. 36.Three angles together make a straight line. Two of them are 45° and 45°. What is the third angle (in degrees)?
37. 37.Three angles together make a straight line. Two of them are 35° and 80°. What is the third angle (in degrees)?
38. 38.The minute hand of a clock turns clockwise from 8 to 4. How many degrees does it turn?
39. 39.The minute hand of a clock turns clockwise from 9 to 6. How many degrees does it turn?
40. 40.Three angles together make a straight line. Two of them are 55° and 30°. What is the third angle (in degrees)?

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