Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 392 · 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 50° and 50°. What is the third angle (in degrees)?
2. 2.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) South (c) West (d) North
3. 3.An angle measures 105°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
4. 4.The minute hand of a clock turns clockwise from 7 to 10. How many degrees does it turn?
5. 5.Three angles together make a straight line. Two of them are 15° and 70°. What is the third angle (in degrees)?
6. 6.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) West (c) East (d) North
7. 7.Four angles meet at a point. Three of them are 60°, 70° and 30°. What is the fourth angle (in degrees)?
8. 8.You face South and turn clockwise through 180°. Which direction do you face now? (a) East (b) West (c) North (d) South
9. 9.Three angles together make a straight line. Two of them are 45° and 80°. What is the third angle (in degrees)?
10. 10.An angle measures 90°. What kind of angle is it? (a) Right (b) Reflex (c) Obtuse
11. 11.The minute hand of a clock turns clockwise from 2 to 8. How many degrees does it turn?
12. 12.Three angles together make a straight line. Two of them are 85° and 75°. What is the third angle (in degrees)?
13. 13.The minute hand of a clock turns clockwise from 7 to 3. How many degrees does it turn?
14. 14.Three angles together make a straight line. Two of them are 30° and 90°. What is the third angle (in degrees)?
15. 15.An angle measures 175°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
16. 16.Three angles together make a straight line. Two of them are 60° and 80°. What is the third angle (in degrees)?
17. 17.Four angles meet at a point. Three of them are 100°, 40° and 160°. What is the fourth angle (in degrees)?
18. 18.An angle measures 50°. What kind of angle is it? (a) Straight (b) Acute (c) Right
19. 19.Three angles together make a straight line. Two of them are 85° and 85°. What is the third angle (in degrees)?
20. 20.An angle measures 180°. What kind of angle is it? (a) Right (b) Acute (c) Straight
21. 21.An angle measures 140°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
22. 22.The minute hand of a clock turns clockwise from 12 to 9. How many degrees does it turn?
23. 23.An angle measures 10°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
24. 24.Four angles meet at a point. Three of them are 30°, 90° and 180°. What is the fourth angle (in degrees)?
25. 25.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
26. 26.Four angles meet at a point. Three of them are 100°, 40° and 30°. What is the fourth angle (in degrees)?
27. 27.Four angles meet at a point. Three of them are 30°, 100° and 70°. What is the fourth angle (in degrees)?
28. 28.Three angles together make a straight line. Two of them are 45° and 15°. What is the third angle (in degrees)?
29. 29.Four angles meet at a point. Three of them are 40°, 50° and 150°. What is the fourth angle (in degrees)?
30. 30.You face South and turn clockwise through 270°. Which direction do you face now? (a) East (b) North (c) West (d) South
31. 31.An angle measures 255°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
32. 32.Four angles meet at a point. Three of them are 50°, 50° and 50°. What is the fourth angle (in degrees)?
33. 33.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) East (c) North (d) South
34. 34.Four angles meet at a point. Three of them are 90°, 70° and 140°. What is the fourth angle (in degrees)?
35. 35.Three angles together make a straight line. Two of them are 100° and 25°. What is the third angle (in degrees)?
36. 36.The minute hand of a clock turns clockwise from 8 to 7. How many degrees does it turn?
37. 37.The minute hand of a clock turns clockwise from 12 to 11. How many degrees does it turn?
38. 38.Three angles together make a straight line. Two of them are 20° and 90°. What is the third angle (in degrees)?
39. 39.You face North and turn clockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
40. 40.Four angles meet at a point. Three of them are 60°, 40° and 60°. What is the fourth angle (in degrees)?

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