Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 962 · 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.The minute hand of a clock turns clockwise from 2 to 11. How many degrees does it turn?
2. 2.Four angles meet at a point. Three of them are 30°, 80° and 80°. What is the fourth angle (in degrees)?
3. 3.You face West and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
4. 4.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
5. 5.Four angles meet at a point. Three of them are 90°, 40° and 210°. What is the fourth angle (in degrees)?
6. 6.Three angles together make a straight line. Two of them are 70° and 70°. What is the third angle (in degrees)?
7. 7.Four angles meet at a point. Three of them are 40°, 100° and 190°. What is the fourth angle (in degrees)?
8. 8.Four angles meet at a point. Three of them are 40°, 50° and 60°. What is the fourth angle (in degrees)?
9. 9.Three angles together make a straight line. Two of them are 20° and 20°. What is the third angle (in degrees)?
10. 10.Three angles together make a straight line. Two of them are 35° and 90°. What is the third angle (in degrees)?
11. 11.An angle measures 240°. What kind of angle is it? (a) Right (b) Obtuse (c) Reflex
12. 12.Three angles together make a straight line. Two of them are 10° and 10°. What is the third angle (in degrees)?
13. 13.Three angles together make a straight line. Two of them are 85° and 10°. What is the third angle (in degrees)?
14. 14.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
15. 15.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
16. 16.Four angles meet at a point. Three of them are 60°, 70° and 210°. What is the fourth angle (in degrees)?
17. 17.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
18. 18.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
19. 19.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
20. 20.The minute hand of a clock turns clockwise from 5 to 1. How many degrees does it turn?
21. 21.The minute hand of a clock turns clockwise from 12 to 2. How many degrees does it turn?
22. 22.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) East (c) North (d) West
23. 23.An angle measures 255°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
24. 24.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
25. 25.An angle measures 55°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
26. 26.Four angles meet at a point. Three of them are 90°, 70° and 170°. What is the fourth angle (in degrees)?
27. 27.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
28. 28.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) West (d) North
29. 29.Three angles together make a straight line. Two of them are 55° and 15°. What is the third angle (in degrees)?
30. 30.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
31. 31.Four angles meet at a point. Three of them are 40°, 90° and 160°. What is the fourth angle (in degrees)?
32. 32.Four angles meet at a point. Three of them are 60°, 100° and 170°. What is the fourth angle (in degrees)?
33. 33.Four angles meet at a point. Three of them are 80°, 40° and 60°. What is the fourth angle (in degrees)?
34. 34.An angle measures 330°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
35. 35.An angle measures 135°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
36. 36.The minute hand of a clock turns clockwise from 3 to 10. How many degrees does it turn?
37. 37.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
38. 38.The minute hand of a clock turns clockwise from 11 to 5. How many degrees does it turn?
39. 39.Three angles together make a straight line. Two of them are 75° and 50°. What is the third angle (in degrees)?
40. 40.The minute hand of a clock turns clockwise from 10 to 2. How many degrees does it turn?

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