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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 358 · 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.Four angles meet at a point. Three of them are 30°, 90° and 80°. What is the fourth angle (in degrees)?
  2. 2.An angle measures 35°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  3. 3.The minute hand of a clock turns clockwise from 3 to 10. How many degrees does it turn?
  4. 4.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) North (c) West (d) East
  5. 5.Three angles together make a straight line. Two of them are 95° and 20°. What is the third angle (in degrees)?
  6. 6.The minute hand of a clock turns clockwise from 8 to 10. How many degrees does it turn?
  7. 7.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  8. 8.Four angles meet at a point. Three of them are 60°, 60° and 60°. What is the fourth angle (in degrees)?
  9. 9.You face North and turn clockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
  10. 10.Three angles together make a straight line. Two of them are 75° and 65°. What is the third angle (in degrees)?
  11. 11.The minute hand of a clock turns clockwise from 1 to 6. How many degrees does it turn?
  12. 12.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  13. 13.Four angles meet at a point. Three of them are 90°, 80° and 160°. What is the fourth angle (in degrees)?
  14. 14.Three angles together make a straight line. Two of them are 60° and 60°. What is the third angle (in degrees)?
  15. 15.You face West and turn clockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
  16. 16.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) North (d) East
  17. 17.Three angles together make a straight line. Two of them are 35° and 130°. What is the third angle (in degrees)?
  18. 18.You face East and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) West (d) East
  19. 19.The minute hand of a clock turns clockwise from 4 to 7. How many degrees does it turn?
  20. 20.Three angles together make a straight line. Two of them are 50° and 95°. What is the third angle (in degrees)?
  21. 21.Four angles meet at a point. Three of them are 40°, 50° and 60°. What is the fourth angle (in degrees)?
  22. 22.You face South and turn clockwise through 90°. Which direction do you face now? (a) West (b) South (c) East (d) North
  23. 23.The minute hand of a clock turns clockwise from 9 to 2. How many degrees does it turn?
  24. 24.The minute hand of a clock turns clockwise from 10 to 8. How many degrees does it turn?
  25. 25.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) South (d) East
  26. 26.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  27. 27.Three angles together make a straight line. Two of them are 70° and 55°. What is the third angle (in degrees)?
  28. 28.The minute hand of a clock turns clockwise from 9 to 7. How many degrees does it turn?
  29. 29.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  30. 30.Three angles together make a straight line. Two of them are 80° and 20°. What is the third angle (in degrees)?
  31. 31.The minute hand of a clock turns clockwise from 10 to 7. How many degrees does it turn?
  32. 32.Four angles meet at a point. Three of them are 70°, 30° and 110°. What is the fourth angle (in degrees)?
  33. 33.An angle measures 135°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
  34. 34.The minute hand of a clock turns clockwise from 4 to 10. How many degrees does it turn?
  35. 35.Four angles meet at a point. Three of them are 90°, 30° and 60°. What is the fourth angle (in degrees)?
  36. 36.An angle measures 160°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
  37. 37.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  38. 38.The minute hand of a clock turns clockwise from 12 to 5. How many degrees does it turn?
  39. 39.An angle measures 30°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
  40. 40.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?

Answer key

  1. 160
  2. Acute
  3. 210
  4. South
  5. 65
  6. 60
  7. 120
  8. 180
  9. East
  10. 40
  11. 150
  12. 20
  13. 30
  14. 60
  15. North
  16. North
  17. 15
  18. South
  19. 90
  20. 35
  21. 210
  22. West
  23. 150
  24. 300
  25. West
  26. 90
  27. 55
  28. 300
  29. Right
  30. 80
  31. 270
  32. 150
  33. Obtuse
  34. 180
  35. 180
  36. Obtuse
  37. 40
  38. 150
  39. Acute
  40. 36

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