Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 691 · 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 40° and 125°. What is the third angle (in degrees)?
2. 2.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
3. 3.You face East and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) North (d) East
4. 4.You face South and turn clockwise through 270°. Which direction do you face now? (a) South (b) West (c) North (d) East
5. 5.An angle measures 300°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
6. 6.Three angles together make a straight line. Two of them are 90° and 25°. What is the third angle (in degrees)?
7. 7.Three angles together make a straight line. Two of them are 100° and 20°. What is the third angle (in degrees)?
8. 8.An angle measures 320°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
9. 9.An angle measures 180°. What kind of angle is it? (a) Straight (b) Reflex (c) Obtuse
10. 10.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
11. 11.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) West (c) East (d) South
12. 12.The minute hand of a clock turns clockwise from 7 to 2. How many degrees does it turn?
13. 13.The minute hand of a clock turns clockwise from 8 to 1. How many degrees does it turn?
14. 14.The minute hand of a clock turns clockwise from 3 to 12. How many degrees does it turn?
15. 15.Three angles together make a straight line. Two of them are 65° and 40°. What is the third angle (in degrees)?
16. 16.Three angles together make a straight line. Two of them are 30° and 55°. What is the third angle (in degrees)?
17. 17.Four angles meet at a point. Three of them are 80°, 30° and 60°. What is the fourth angle (in degrees)?
18. 18.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
19. 19.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) North (d) West
20. 20.The minute hand of a clock turns clockwise from 3 to 11. How many degrees does it turn?
21. 21.An angle measures 190°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
22. 22.An angle measures 140°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
23. 23.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) South (c) East (d) West
24. 24.Four angles meet at a point. Three of them are 30°, 40° and 270°. What is the fourth angle (in degrees)?
25. 25.Three angles together make a straight line. Two of them are 100° and 25°. What is the third angle (in degrees)?
26. 26.Four angles meet at a point. Three of them are 40°, 30° and 40°. What is the fourth angle (in degrees)?
27. 27.An angle measures 340°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
28. 28.An angle measures 15°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
29. 29.The minute hand of a clock turns clockwise from 2 to 3. How many degrees does it turn?
30. 30.Three angles together make a straight line. Two of them are 35° and 35°. What is the third angle (in degrees)?
31. 31.Three angles together make a straight line. Two of them are 65° and 30°. What is the third angle (in degrees)?
32. 32.Three angles together make a straight line. Two of them are 65° and 85°. What is the third angle (in degrees)?
33. 33.The minute hand of a clock turns clockwise from 4 to 2. How many degrees does it turn?
34. 34.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
35. 35.You face East and turn clockwise through 90°. Which direction do you face now? (a) South (b) North (c) West (d) East
36. 36.Three angles together make a straight line. Two of them are 40° and 45°. What is the third angle (in degrees)?
37. 37.An angle measures 335°. What kind of angle is it? (a) Right (b) Reflex (c) Obtuse
38. 38.The minute hand of a clock turns clockwise from 3 to 5. How many degrees does it turn?
39. 39.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
40. 40.The minute hand of a clock turns clockwise from 12 to 9. How many degrees does it turn?

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