Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 130 · 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 65° and 40°. What is the third angle (in degrees)?
2. 2.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
3. 3.Four angles meet at a point. Three of them are 70°, 40° and 50°. What is the fourth angle (in degrees)?
4. 4.An angle measures 25°. What kind of angle is it? (a) Right (b) Straight (c) Acute
5. 5.Four angles meet at a point. Three of them are 80°, 70° and 170°. What is the fourth angle (in degrees)?
6. 6.You face East and turn clockwise through 90°. Which direction do you face now? (a) North (b) West (c) South (d) East
7. 7.You face North and turn clockwise through 270°. Which direction do you face now? (a) North (b) East (c) West (d) South
8. 8.An angle measures 60°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
9. 9.Four angles meet at a point. Three of them are 30°, 80° and 90°. What is the fourth angle (in degrees)?
10. 10.The minute hand of a clock turns clockwise from 7 to 4. How many degrees does it turn?
11. 11.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
12. 12.The minute hand of a clock turns clockwise from 10 to 8. How many degrees does it turn?
13. 13.An angle measures 340°. What kind of angle is it? (a) Right (b) Obtuse (c) Reflex
14. 14.Four angles meet at a point. Three of them are 70°, 80° and 170°. What is the fourth angle (in degrees)?
15. 15.The minute hand of a clock turns clockwise from 7 to 9. How many degrees does it turn?
16. 16.The minute hand of a clock turns clockwise from 7 to 2. How many degrees does it turn?
17. 17.An angle measures 40°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
18. 18.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
19. 19.Three angles together make a straight line. Two of them are 35° and 85°. What is the third angle (in degrees)?
20. 20.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
21. 21.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) East (c) South (d) West
22. 22.Three angles together make a straight line. Two of them are 40° and 70°. What is the third angle (in degrees)?
23. 23.You face East and turn clockwise through 180°. Which direction do you face now? (a) East (b) West (c) South (d) North
24. 24.An angle measures 45°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
25. 25.Three angles together make a straight line. Two of them are 95° and 20°. What is the third angle (in degrees)?
26. 26.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
27. 27.An angle measures 315°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
28. 28.An angle measures 75°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
29. 29.Three angles together make a straight line. Two of them are 70° and 95°. What is the third angle (in degrees)?
30. 30.The minute hand of a clock turns clockwise from 8 to 5. How many degrees does it turn?
31. 31.The minute hand of a clock turns clockwise from 9 to 1. How many degrees does it turn?
32. 32.An angle measures 200°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
33. 33.The minute hand of a clock turns clockwise from 4 to 11. How many degrees does it turn?
34. 34.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
35. 35.Four angles meet at a point. Three of them are 80°, 90° and 50°. What is the fourth angle (in degrees)?
36. 36.Three angles together make a straight line. Two of them are 50° and 45°. What is the third angle (in degrees)?
37. 37.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
38. 38.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
39. 39.Four angles meet at a point. Three of them are 70°, 50° and 110°. What is the fourth angle (in degrees)?
40. 40.Three angles together make a straight line. Two of them are 20° and 95°. What is the third angle (in degrees)?

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