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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 412 · 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.An angle measures 90°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
  2. 2.Three angles together make a straight line. Two of them are 60° and 85°. What is the third angle (in degrees)?
  3. 3.Three angles together make a straight line. Two of them are 50° and 25°. What is the third angle (in degrees)?
  4. 4.Four angles meet at a point. Three of them are 90°, 100° and 130°. What is the fourth angle (in degrees)?
  5. 5.An angle measures 250°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
  6. 6.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  7. 7.You face East and turn clockwise through 180°. Which direction do you face now? (a) West (b) North (c) East (d) South
  8. 8.The minute hand of a clock turns clockwise from 10 to 12. How many degrees does it turn?
  9. 9.The minute hand of a clock turns clockwise from 12 to 5. How many degrees does it turn?
  10. 10.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) East (d) South
  11. 11.Three angles together make a straight line. Two of them are 40° and 65°. What is the third angle (in degrees)?
  12. 12.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  13. 13.Four angles meet at a point. Three of them are 100°, 40° and 180°. What is the fourth angle (in degrees)?
  14. 14.An angle measures 295°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
  15. 15.An angle measures 285°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
  16. 16.Four angles meet at a point. Three of them are 30°, 70° and 120°. What is the fourth angle (in degrees)?
  17. 17.An angle measures 20°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
  18. 18.The minute hand of a clock turns clockwise from 4 to 2. How many degrees does it turn?
  19. 19.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  20. 20.Three angles together make a straight line. Two of them are 95° and 60°. What is the third angle (in degrees)?
  21. 21.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
  22. 22.You face West and turn clockwise through 270°. Which direction do you face now? (a) East (b) North (c) West (d) South
  23. 23.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) West (c) South (d) East
  24. 24.Three angles together make a straight line. Two of them are 40° and 25°. What is the third angle (in degrees)?
  25. 25.The minute hand of a clock turns clockwise from 2 to 10. How many degrees does it turn?
  26. 26.Four angles meet at a point. Three of them are 80°, 50° and 200°. What is the fourth angle (in degrees)?
  27. 27.Three angles together make a straight line. Two of them are 65° and 30°. What is the third angle (in degrees)?
  28. 28.The minute hand of a clock turns clockwise from 7 to 8. How many degrees does it turn?
  29. 29.Four angles meet at a point. Three of them are 90°, 60° and 160°. What is the fourth angle (in degrees)?
  30. 30.An angle measures 60°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
  31. 31.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  32. 32.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  33. 33.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  34. 34.An angle measures 35°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  35. 35.Three angles together make a straight line. Two of them are 40° and 125°. What is the third angle (in degrees)?
  36. 36.Four angles meet at a point. Three of them are 50°, 100° and 170°. What is the fourth angle (in degrees)?
  37. 37.Four angles meet at a point. Three of them are 60°, 70° and 60°. What is the fourth angle (in degrees)?
  38. 38.The minute hand of a clock turns clockwise from 5 to 12. How many degrees does it turn?
  39. 39.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  40. 40.Three angles together make a straight line. Two of them are 95° and 50°. What is the third angle (in degrees)?

Answer key

  1. Right
  2. 35
  3. 105
  4. 40
  5. Reflex
  6. 90
  7. West
  8. 60
  9. 150
  10. South
  11. 75
  12. 72
  13. 40
  14. Reflex
  15. Reflex
  16. 140
  17. Acute
  18. 300
  19. 40
  20. 25
  21. East
  22. South
  23. West
  24. 115
  25. 240
  26. 30
  27. 85
  28. 30
  29. 50
  30. Acute
  31. 90
  32. 60
  33. 36
  34. Acute
  35. 15
  36. 40
  37. 170
  38. 210
  39. 36
  40. 35

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