Class 7 Maths Worksheet: Lines and Angles

Maths worksheets lesson 52: Lines and angles · Set 505 · 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.What is the supplement of 95° (in degrees)?
2. 2.Are 26° and 154° complementary, supplementary or neither? (a) Neither (b) Supplementary (c) Complementary
3. 3.Two straight lines cross each other. One of the angles formed is 87°. What is the angle vertically opposite to it (in degrees)?
4. 4.Are 62° and 28° complementary, supplementary or neither? (a) Supplementary (b) Neither (c) Complementary
5. 5.What is the complement of 22° (in degrees)?
6. 6.Two straight lines cross each other. One of the angles formed is 125°. What is the angle vertically opposite to it (in degrees)?
7. 7.Are 39° and 89° complementary, supplementary or neither? (a) Complementary (b) Neither (c) Supplementary
8. 8.Two straight lines cross each other. One of the angles formed is 28°. What is the angle vertically opposite to it (in degrees)?
9. 9.Are 76° and 118° complementary, supplementary or neither? (a) Neither (b) Supplementary (c) Complementary
10. 10.Two angles are complementary. One is 18° more than the other. What is the bigger angle (in degrees)?
11. 11.Are 16° and 138° complementary, supplementary or neither? (a) Neither (b) Complementary (c) Supplementary
12. 12.Two angles are complementary. One is 30° more than the other. What is the bigger angle (in degrees)?
13. 13.Two angles are supplementary. One is 28° more than the other. What is the bigger angle (in degrees)?
14. 14.Two straight lines cross each other. One of the angles formed is 29°. What is the angle vertically opposite to it (in degrees)?
15. 15.Are 55° and 64° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither
16. 16.Are 40° and 50° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither
17. 17.Two angles are complementary. One is 6° more than the other. What is the bigger angle (in degrees)?
18. 18.Two parallel lines are cut by a transversal. One interior angle is 104°. What is its other interior angle on the same side of the transversal (in degrees)?
19. 19.Two parallel lines are cut by a transversal. One angle is 98°. What is its corresponding angle (in degrees)?
20. 20.Two straight lines cross each other. One of the angles formed is 36°. What is the angle vertically opposite to it (in degrees)?
21. 21.What is the complement of 31° (in degrees)?
22. 22.Two straight lines cross each other. One of the angles formed is 148°. What is the angle next to it on the same line (in degrees)?
23. 23.What is the complement of 47° (in degrees)?
24. 24.Two straight lines cross each other. One of the angles formed is 81°. What is the angle vertically opposite to it (in degrees)?
25. 25.What is the supplement of 158° (in degrees)?
26. 26.What is the supplement of 127° (in degrees)?
27. 27.Two angles are supplementary. One is 86° more than the other. What is the bigger angle (in degrees)?
28. 28.What is the supplement of 112° (in degrees)?
29. 29.Two parallel lines are cut by a transversal. One angle is 31°. What is its corresponding angle (in degrees)?
30. 30.Two straight lines cross each other. One of the angles formed is 159°. What is the angle next to it on the same line (in degrees)?
31. 31.Two angles are supplementary. One is 44° more than the other. What is the bigger angle (in degrees)?
32. 32.Two parallel lines are cut by a transversal. One angle is 124°. What is its corresponding angle (in degrees)?
33. 33.Two straight lines cross each other. One of the angles formed is 97°. What is the angle vertically opposite to it (in degrees)?
34. 34.Two straight lines cross each other. One of the angles formed is 134°. What is the angle vertically opposite to it (in degrees)?
35. 35.Are 27° and 63° complementary, supplementary or neither? (a) Supplementary (b) Neither (c) Complementary
36. 36.What is the complement of 6° (in degrees)?
37. 37.Two angles are complementary. One is 24° more than the other. What is the bigger angle (in degrees)?
38. 38.Are 64° and 116° complementary, supplementary or neither? (a) Complementary (b) Neither (c) Supplementary
39. 39.Two angles are complementary. One is 22° more than the other. What is the bigger angle (in degrees)?
40. 40.What is the complement of 44° (in degrees)?

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