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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 992 · 40 sums
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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.

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  1. 1.You face North and turn clockwise through 270°. Which direction do you face now? (a) West (b) North (c) South (d) East
  2. 2.An angle measures 60°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
  3. 3.Three angles together make a straight line. Two of them are 55° and 35°. What is the third angle (in degrees)?
  4. 4.Four angles meet at a point. Three of them are 70°, 60° and 50°. What is the fourth angle (in degrees)?
  5. 5.Three angles together make a straight line. Two of them are 40° and 95°. What is the third angle (in degrees)?
  6. 6.You face East and turn clockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
  7. 7.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  8. 8.Three angles together make a straight line. Two of them are 90° and 20°. What is the third angle (in degrees)?
  9. 9.Three angles together make a straight line. Two of them are 40° and 90°. What is the third angle (in degrees)?
  10. 10.Three angles together make a straight line. Two of them are 100° and 15°. What is the third angle (in degrees)?
  11. 11.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  12. 12.Three angles together make a straight line. Two of them are 80° and 35°. What is the third angle (in degrees)?
  13. 13.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  14. 14.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  15. 15.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
  16. 16.Four angles meet at a point. Three of them are 30°, 60° and 220°. What is the fourth angle (in degrees)?
  17. 17.Four angles meet at a point. Three of them are 70°, 90° and 110°. What is the fourth angle (in degrees)?
  18. 18.You face East and turn clockwise through 180°. Which direction do you face now? (a) West (b) South (c) East (d) North
  19. 19.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) East (c) West (d) North
  20. 20.Three angles together make a straight line. Two of them are 10° and 140°. What is the third angle (in degrees)?
  21. 21.Three angles together make a straight line. Two of them are 25° and 40°. What is the third angle (in degrees)?
  22. 22.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
  23. 23.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) North (c) South (d) West
  24. 24.An angle measures 100°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  25. 25.Four angles meet at a point. Three of them are 90°, 70° and 50°. What is the fourth angle (in degrees)?
  26. 26.The minute hand of a clock turns clockwise from 5 to 12. How many degrees does it turn?
  27. 27.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  28. 28.Three angles together make a straight line. Two of them are 10° and 20°. What is the third angle (in degrees)?
  29. 29.Four angles meet at a point. Three of them are 30°, 60° and 130°. What is the fourth angle (in degrees)?
  30. 30.An angle measures 175°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  31. 31.The minute hand of a clock turns clockwise from 1 to 2. How many degrees does it turn?
  32. 32.The minute hand of a clock turns clockwise from 6 to 9. How many degrees does it turn?
  33. 33.The minute hand of a clock turns clockwise from 8 to 10. How many degrees does it turn?
  34. 34.Three angles together make a straight line. Two of them are 45° and 60°. What is the third angle (in degrees)?
  35. 35.Four angles meet at a point. Three of them are 80°, 30° and 30°. What is the fourth angle (in degrees)?
  36. 36.Three angles together make a straight line. Two of them are 75° and 95°. What is the third angle (in degrees)?
  37. 37.The minute hand of a clock turns clockwise from 3 to 7. How many degrees does it turn?
  38. 38.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) West (c) South (d) North
  39. 39.Three angles together make a straight line. Two of them are 25° and 50°. What is the third angle (in degrees)?
  40. 40.Three angles together make a straight line. Two of them are 65° and 60°. What is the third angle (in degrees)?

Answer key

  1. West
  2. Acute
  3. 90
  4. 180
  5. 45
  6. South
  7. 120
  8. 70
  9. 50
  10. 65
  11. 36
  12. 65
  13. Right
  14. 40
  15. South
  16. 50
  17. 90
  18. West
  19. East
  20. 30
  21. 115
  22. 30
  23. South
  24. Obtuse
  25. 150
  26. 210
  27. Straight
  28. 150
  29. 140
  30. Obtuse
  31. 30
  32. 90
  33. 60
  34. 75
  35. 220
  36. 10
  37. 120
  38. South
  39. 105
  40. 55

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