Class 7 Maths Worksheet: Lines and Angles

Maths worksheets lesson 52: Lines and angles · Set 485 · 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.Are 18° and 162° complementary, supplementary or neither? (a) Complementary (b) Supplementary (c) Neither
2. 2.What is the supplement of 25° (in degrees)?
3. 3.Two angles are complementary. One is 52° more than the other. What is the bigger angle (in degrees)?
4. 4.Are 46° and 118° complementary, supplementary or neither? (a) Supplementary (b) Complementary (c) Neither
5. 5.What is the complement of 7° (in degrees)?
6. 6.Are 57° and 92° complementary, supplementary or neither? (a) Supplementary (b) Neither (c) Complementary
7. 7.Two parallel lines are cut by a transversal. One angle is 101°. What is its corresponding angle (in degrees)?
8. 8.What is the supplement of 52° (in degrees)?
9. 9.What is the supplement of 51° (in degrees)?
10. 10.What is the supplement of 163° (in degrees)?
11. 11.What is the supplement of 97° (in degrees)?
12. 12.What is the complement of 17° (in degrees)?
13. 13.What is the supplement of 22° (in degrees)?
14. 14.What is the supplement of 32° (in degrees)?
15. 15.Two angles are supplementary. One is 70° more than the other. What is the bigger angle (in degrees)?
16. 16.What is the complement of 56° (in degrees)?
17. 17.Two straight lines cross each other. One of the angles formed is 92°. What is the angle next to it on the same line (in degrees)?
18. 18.Two parallel lines are cut by a transversal. One angle is 46°. What is its corresponding angle (in degrees)?
19. 19.Two angles are complementary. One is 4° more than the other. What is the bigger angle (in degrees)?
20. 20.What is the complement of 63° (in degrees)?
21. 21.Two angles are complementary. One is 68° more than the other. What is the bigger angle (in degrees)?
22. 22.Two parallel lines are cut by a transversal. One angle is 146°. What is its corresponding angle (in degrees)?
23. 23.Are 74° and 16° complementary, supplementary or neither? (a) Supplementary (b) Neither (c) Complementary
24. 24.What is the complement of 58° (in degrees)?
25. 25.What is the supplement of 121° (in degrees)?
26. 26.Two straight lines cross each other. One of the angles formed is 129°. What is the angle vertically opposite to it (in degrees)?
27. 27.What is the supplement of 154° (in degrees)?
28. 28.Are 71° and 109° complementary, supplementary or neither? (a) Neither (b) Complementary (c) Supplementary
29. 29.Two angles are complementary. One is 42° more than the other. What is the bigger angle (in degrees)?
30. 30.Are 46° and 167° complementary, supplementary or neither? (a) Neither (b) Supplementary (c) Complementary
31. 31.Two angles are supplementary. One is 16° more than the other. What is the bigger angle (in degrees)?
32. 32.What is the supplement of 134° (in degrees)?
33. 33.Are 19° and 71° complementary, supplementary or neither? (a) Neither (b) Complementary (c) Supplementary
34. 34.What is the complement of 50° (in degrees)?
35. 35.What is the supplement of 41° (in degrees)?
36. 36.What is the supplement of 143° (in degrees)?
37. 37.What is the supplement of 85° (in degrees)?
38. 38.What is the complement of 71° (in degrees)?
39. 39.What is the complement of 51° (in degrees)?
40. 40.Two parallel lines are cut by a transversal. One interior angle is 125°. What is its other interior angle on the same side of the transversal (in degrees)?

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