← Lines and angles lesson New set →

Class 7 Maths Worksheet: Lines and Angles

Maths worksheets lesson 52: Lines and angles · Set 792 · 40 sums
TalentJR

The method (90, 180, equal): Complement of a = 90 − a. Supplement of a = 180 − a. Lines crossing: vertically opposite angles are equal; a linear pair adds up to 180°. Parallel lines: corresponding angles equal, alternate interior angles equal, interior angles on the same side add up to 180°. One angle d° more than the other: bigger = (total + d) ÷ 2.

NameDateTime takenScore ___ / 40
  1. 1.Are 34° and 56° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither
  2. 2.Two angles are supplementary. One is 74° more than the other. What is the bigger angle (in degrees)?
  3. 3.What is the complement of 57° (in degrees)?
  4. 4.Two parallel lines are cut by a transversal. One interior angle is 33°. What is its alternate interior angle (in degrees)?
  5. 5.What is the complement of 41° (in degrees)?
  6. 6.Two parallel lines are cut by a transversal. One angle is 43°. What is its corresponding angle (in degrees)?
  7. 7.Are 79° and 11° complementary, supplementary or neither? (a) Complementary (b) Neither (c) Supplementary
  8. 8.Two angles are supplementary. One is 8° more than the other. What is the bigger angle (in degrees)?
  9. 9.Two parallel lines are cut by a transversal. One interior angle is 125°. What is its alternate interior angle (in degrees)?
  10. 10.Two angles are complementary. One is 48° more than the other. What is the bigger angle (in degrees)?
  11. 11.Two straight lines cross each other. One of the angles formed is 37°. What is the angle vertically opposite to it (in degrees)?
  12. 12.Two angles are complementary. One is 52° more than the other. What is the bigger angle (in degrees)?
  13. 13.Are 23° and 157° complementary, supplementary or neither? (a) Complementary (b) Neither (c) Supplementary
  14. 14.What is the complement of 8° (in degrees)?
  15. 15.Two straight lines cross each other. One of the angles formed is 77°. What is the angle next to it on the same line (in degrees)?
  16. 16.Two straight lines cross each other. One of the angles formed is 118°. What is the angle vertically opposite to it (in degrees)?
  17. 17.Two angles are complementary. One is 36° more than the other. What is the bigger angle (in degrees)?
  18. 18.Two parallel lines are cut by a transversal. One angle is 147°. What is its corresponding angle (in degrees)?
  19. 19.What is the supplement of 64° (in degrees)?
  20. 20.Two straight lines cross each other. One of the angles formed is 35°. What is the angle vertically opposite to it (in degrees)?
  21. 21.What is the supplement of 66° (in degrees)?
  22. 22.Two parallel lines are cut by a transversal. One angle is 33°. What is its corresponding angle (in degrees)?
  23. 23.Are 55° and 125° complementary, supplementary or neither? (a) Neither (b) Supplementary (c) Complementary
  24. 24.Two parallel lines are cut by a transversal. One interior angle is 35°. What is its other interior angle on the same side of the transversal (in degrees)?
  25. 25.Two parallel lines are cut by a transversal. One interior angle is 117°. What is its alternate interior angle (in degrees)?
  26. 26.What is the complement of 46° (in degrees)?
  27. 27.What is the complement of 24° (in degrees)?
  28. 28.What is the supplement of 93° (in degrees)?
  29. 29.What is the supplement of 112° (in degrees)?
  30. 30.Are 70° and 20° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither
  31. 31.What is the complement of 6° (in degrees)?
  32. 32.What is the supplement of 126° (in degrees)?
  33. 33.What is the complement of 55° (in degrees)?
  34. 34.Are 18° and 162° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither
  35. 35.Two straight lines cross each other. One of the angles formed is 65°. What is the angle next to it on the same line (in degrees)?
  36. 36.What is the supplement of 68° (in degrees)?
  37. 37.What is the supplement of 19° (in degrees)?
  38. 38.What is the supplement of 28° (in degrees)?
  39. 39.Two parallel lines are cut by a transversal. One interior angle is 83°. What is its alternate interior angle (in degrees)?
  40. 40.Are 61° and 119° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither

Answer key

  1. Complementary
  2. 127
  3. 33
  4. 33
  5. 49
  6. 43
  7. Complementary
  8. 94
  9. 125
  10. 69
  11. 37
  12. 71
  13. Supplementary
  14. 82
  15. 103
  16. 118
  17. 63
  18. 147
  19. 116
  20. 35
  21. 114
  22. 33
  23. Supplementary
  24. 145
  25. 117
  26. 44
  27. 66
  28. 87
  29. 68
  30. Complementary
  31. 84
  32. 54
  33. 35
  34. Supplementary
  35. 115
  36. 112
  37. 161
  38. 152
  39. 83
  40. Supplementary

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets