Class 7 Maths Worksheet: Lines and Angles

Maths worksheets lesson 52: Lines and angles · Set 447 · 40 sums

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.

1. 1.Two parallel lines are cut by a transversal. One angle is 133°. What is its corresponding angle (in degrees)?
2. 2.Are 77° and 103° complementary, supplementary or neither? (a) Neither (b) Supplementary (c) Complementary
3. 3.What is the complement of 12° (in degrees)?
4. 4.Two parallel lines are cut by a transversal. One angle is 31°. What is its corresponding angle (in degrees)?
5. 5.What is the supplement of 89° (in degrees)?
6. 6.What is the supplement of 66° (in degrees)?
7. 7.Are 77° and 169° complementary, supplementary or neither? (a) Neither (b) Complementary (c) Supplementary
8. 8.Two angles are complementary. One is 32° more than the other. What is the bigger angle (in degrees)?
9. 9.What is the complement of 48° (in degrees)?
10. 10.What is the supplement of 155° (in degrees)?
11. 11.Two angles are complementary. One is 14° more than the other. What is the bigger angle (in degrees)?
12. 12.What is the supplement of 102° (in degrees)?
13. 13.What is the complement of 33° (in degrees)?
14. 14.What is the complement of 74° (in degrees)?
15. 15.Are 25° and 65° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither
16. 16.Two angles are supplementary. One is 36° more than the other. What is the bigger angle (in degrees)?
17. 17.Two straight lines cross each other. One of the angles formed is 24°. What is the angle vertically opposite to it (in degrees)?
18. 18.Two angles are supplementary. One is 66° more than the other. What is the bigger angle (in degrees)?
19. 19.What is the complement of 46° (in degrees)?
20. 20.What is the complement of 50° (in degrees)?
21. 21.What is the supplement of 35° (in degrees)?
22. 22.What is the complement of 11° (in degrees)?
23. 23.Are 14° and 76° complementary, supplementary or neither? (a) Supplementary (b) Neither (c) Complementary
24. 24.What is the complement of 29° (in degrees)?
25. 25.Are 52° and 14° complementary, supplementary or neither? (a) Supplementary (b) Complementary (c) Neither
26. 26.What is the supplement of 136° (in degrees)?
27. 27.Two angles are supplementary. One is 82° more than the other. What is the bigger angle (in degrees)?
28. 28.What is the complement of 6° (in degrees)?
29. 29.What is the supplement of 49° (in degrees)?
30. 30.What is the complement of 20° (in degrees)?
31. 31.Two parallel lines are cut by a transversal. One angle is 84°. What is its corresponding angle (in degrees)?
32. 32.What is the supplement of 16° (in degrees)?
33. 33.What is the supplement of 84° (in degrees)?
34. 34.What is the complement of 9° (in degrees)?
35. 35.Two angles are supplementary. One is 52° more than the other. What is the bigger angle (in degrees)?
36. 36.Two straight lines cross each other. One of the angles formed is 55°. What is the angle vertically opposite to it (in degrees)?
37. 37.Are 37° and 53° complementary, supplementary or neither? (a) Supplementary (b) Complementary (c) Neither
38. 38.Are 25° and 155° complementary, supplementary or neither? (a) Supplementary (b) Complementary (c) Neither
39. 39.What is the supplement of 29° (in degrees)?
40. 40.Two angles are complementary. One is 66° more than the other. What is the bigger angle (in degrees)?

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