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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 638 · 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 South and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) South (c) West (d) North
  2. 2.You face West and turn clockwise through 270°. Which direction do you face now? (a) North (b) South (c) East (d) West
  3. 3.Three angles together make a straight line. Two of them are 60° and 25°. What is the third angle (in degrees)?
  4. 4.An angle measures 95°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  5. 5.Four angles meet at a point. Three of them are 40°, 100° and 110°. What is the fourth angle (in degrees)?
  6. 6.You face West and turn clockwise through 180°. Which direction do you face now? (a) West (b) North (c) East (d) South
  7. 7.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  8. 8.The minute hand of a clock turns clockwise from 7 to 9. How many degrees does it turn?
  9. 9.Three angles together make a straight line. Two of them are 25° and 85°. What is the third angle (in degrees)?
  10. 10.An angle measures 135°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
  11. 11.An angle measures 25°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
  12. 12.Three angles together make a straight line. Two of them are 55° and 75°. What is the third angle (in degrees)?
  13. 13.Three angles together make a straight line. Two of them are 100° and 40°. What is the third angle (in degrees)?
  14. 14.Three angles together make a straight line. Two of them are 35° and 20°. What is the third angle (in degrees)?
  15. 15.Three angles together make a straight line. Two of them are 80° and 90°. What is the third angle (in degrees)?
  16. 16.Four angles meet at a point. Three of them are 70°, 70° and 50°. What is the fourth angle (in degrees)?
  17. 17.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  18. 18.The minute hand of a clock turns clockwise from 6 to 7. How many degrees does it turn?
  19. 19.You face South and turn clockwise through 90°. Which direction do you face now? (a) South (b) North (c) East (d) West
  20. 20.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
  21. 21.Three angles together make a straight line. Two of them are 45° and 55°. What is the third angle (in degrees)?
  22. 22.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
  23. 23.Three angles together make a straight line. Two of them are 90° and 65°. What is the third angle (in degrees)?
  24. 24.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  25. 25.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
  26. 26.An angle measures 290°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
  27. 27.Four angles meet at a point. Three of them are 100°, 40° and 120°. What is the fourth angle (in degrees)?
  28. 28.An angle measures 245°. What kind of angle is it? (a) Reflex (b) Straight (c) Obtuse
  29. 29.The minute hand of a clock turns clockwise from 11 to 8. How many degrees does it turn?
  30. 30.Three angles together make a straight line. Two of them are 50° and 95°. What is the third angle (in degrees)?
  31. 31.Three angles together make a straight line. Two of them are 45° and 70°. What is the third angle (in degrees)?
  32. 32.The minute hand of a clock turns clockwise from 7 to 4. How many degrees does it turn?
  33. 33.Four angles meet at a point. Three of them are 100°, 50° and 200°. What is the fourth angle (in degrees)?
  34. 34.An angle measures 15°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
  35. 35.The minute hand of a clock turns clockwise from 8 to 6. How many degrees does it turn?
  36. 36.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  37. 37.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) West (c) North (d) East
  38. 38.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) North (c) South (d) West
  39. 39.Three angles together make a straight line. Two of them are 100° and 15°. What is the third angle (in degrees)?
  40. 40.You face East and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West

Answer key

  1. North
  2. South
  3. 95
  4. Obtuse
  5. 110
  6. East
  7. 36
  8. 60
  9. 70
  10. Obtuse
  11. Acute
  12. 50
  13. 40
  14. 125
  15. 10
  16. 170
  17. 90
  18. 30
  19. West
  20. Straight
  21. 80
  22. North
  23. 25
  24. 90
  25. 90
  26. Reflex
  27. 100
  28. Reflex
  29. 270
  30. 35
  31. 65
  32. 270
  33. 10
  34. Acute
  35. 300
  36. 60
  37. North
  38. East
  39. 65
  40. West

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