Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 909 · 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 180°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
2. 2.Three angles together make a straight line. Two of them are 100° and 70°. What is the third angle (in degrees)?
3. 3.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) East (c) North (d) West
4. 4.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) South (c) North (d) West
5. 5.The minute hand of a clock turns clockwise from 1 to 11. How many degrees does it turn?
6. 6.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
7. 7.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
8. 8.An angle measures 45°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
9. 9.An angle measures 120°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
10. 10.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
11. 11.You face South and turn clockwise through 90°. Which direction do you face now? (a) West (b) South (c) North (d) East
12. 12.Four angles meet at a point. Three of them are 30°, 80° and 240°. What is the fourth angle (in degrees)?
13. 13.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
14. 14.Four angles meet at a point. Three of them are 70°, 70° and 40°. What is the fourth angle (in degrees)?
15. 15.The minute hand of a clock turns clockwise from 2 to 11. How many degrees does it turn?
16. 16.Four angles meet at a point. Three of them are 90°, 40° and 50°. What is the fourth angle (in degrees)?
17. 17.An angle measures 110°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
18. 18.The minute hand of a clock turns clockwise from 7 to 3. How many degrees does it turn?
19. 19.An angle measures 320°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
20. 20.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
21. 21.Four angles meet at a point. Three of them are 60°, 50° and 70°. What is the fourth angle (in degrees)?
22. 22.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
23. 23.Four angles meet at a point. Three of them are 90°, 30° and 50°. What is the fourth angle (in degrees)?
24. 24.Four angles meet at a point. Three of them are 70°, 60° and 170°. What is the fourth angle (in degrees)?
25. 25.Four angles meet at a point. Three of them are 100°, 90° and 150°. What is the fourth angle (in degrees)?
26. 26.Three angles together make a straight line. Two of them are 65° and 40°. What is the third angle (in degrees)?
27. 27.Four angles meet at a point. Three of them are 90°, 90° and 40°. What is the fourth angle (in degrees)?
28. 28.The minute hand of a clock turns clockwise from 9 to 8. How many degrees does it turn?
29. 29.An angle measures 175°. What kind of angle is it? (a) Reflex (b) Straight (c) Obtuse
30. 30.Three angles together make a straight line. Two of them are 60° and 15°. What is the third angle (in degrees)?
31. 31.An angle measures 140°. What kind of angle is it? (a) Reflex (b) Right (c) Obtuse
32. 32.The minute hand of a clock turns clockwise from 8 to 6. How many degrees does it turn?
33. 33.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) East (c) North (d) West
34. 34.An angle measures 315°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
35. 35.Three angles together make a straight line. Two of them are 10° and 125°. What is the third angle (in degrees)?
36. 36.The minute hand of a clock turns clockwise from 3 to 5. How many degrees does it turn?
37. 37.The minute hand of a clock turns clockwise from 1 to 6. How many degrees does it turn?
38. 38.You face South and turn clockwise through 270°. Which direction do you face now? (a) South (b) West (c) North (d) East
39. 39.The minute hand of a clock turns clockwise from 12 to 11. How many degrees does it turn?
40. 40.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?

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