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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 517 · 40 sums
TalentJR

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 30°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  2. 2.You face West and turn clockwise through 90°. Which direction do you face now? (a) East (b) North (c) West (d) South
  3. 3.The minute hand of a clock turns clockwise from 10 to 4. How many degrees does it turn?
  4. 4.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
  5. 5.Four angles meet at a point. Three of them are 40°, 50° and 260°. What is the fourth angle (in degrees)?
  6. 6.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) South (c) North (d) West
  7. 7.An angle measures 40°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
  8. 8.The minute hand of a clock turns clockwise from 11 to 12. How many degrees does it turn?
  9. 9.Four angles meet at a point. Three of them are 30°, 60° and 60°. What is the fourth angle (in degrees)?
  10. 10.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  11. 11.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) South (c) East (d) North
  12. 12.Four angles meet at a point. Three of them are 30°, 90° and 200°. What is the fourth angle (in degrees)?
  13. 13.The minute hand of a clock turns clockwise from 1 to 4. How many degrees does it turn?
  14. 14.The minute hand of a clock turns clockwise from 9 to 5. How many degrees does it turn?
  15. 15.Three angles together make a straight line. Two of them are 90° and 15°. What is the third angle (in degrees)?
  16. 16.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  17. 17.An angle measures 70°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
  18. 18.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) South (c) West (d) East
  19. 19.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
  20. 20.The minute hand of a clock turns clockwise from 7 to 2. How many degrees does it turn?
  21. 21.Three angles together make a straight line. Two of them are 35° and 85°. What is the third angle (in degrees)?
  22. 22.The minute hand of a clock turns clockwise from 10 to 2. How many degrees does it turn?
  23. 23.You face East and turn clockwise through 270°. Which direction do you face now? (a) West (b) North (c) East (d) South
  24. 24.An angle measures 75°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  25. 25.Three angles together make a straight line. Two of them are 70° and 60°. What is the third angle (in degrees)?
  26. 26.Four angles meet at a point. Three of them are 90°, 40° and 80°. What is the fourth angle (in degrees)?
  27. 27.An angle measures 90°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
  28. 28.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) South (c) West (d) East
  29. 29.The minute hand of a clock turns clockwise from 10 to 11. How many degrees does it turn?
  30. 30.Three angles together make a straight line. Two of them are 100° and 65°. What is the third angle (in degrees)?
  31. 31.An angle measures 60°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  32. 32.Three angles together make a straight line. Two of them are 45° and 60°. What is the third angle (in degrees)?
  33. 33.An angle measures 140°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  34. 34.An angle measures 305°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
  35. 35.Four angles meet at a point. Three of them are 40°, 70° and 120°. What is the fourth angle (in degrees)?
  36. 36.An angle measures 190°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Right
  37. 37.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  38. 38.Three angles together make a straight line. Two of them are 55° and 15°. What is the third angle (in degrees)?
  39. 39.An angle measures 150°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
  40. 40.Three angles together make a straight line. Two of them are 35° and 40°. What is the third angle (in degrees)?

Answer key

  1. Acute
  2. North
  3. 180
  4. East
  5. 10
  6. West
  7. Acute
  8. 30
  9. 210
  10. 45
  11. North
  12. 40
  13. 90
  14. 240
  15. 75
  16. 15
  17. Acute
  18. West
  19. Straight
  20. 210
  21. 60
  22. 120
  23. North
  24. Acute
  25. 50
  26. 150
  27. Right
  28. North
  29. 30
  30. 15
  31. Acute
  32. 75
  33. Obtuse
  34. Reflex
  35. 130
  36. Reflex
  37. 20
  38. 110
  39. Obtuse
  40. 105

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