Class 7 Maths Worksheet: Lines and Angles

Maths worksheets lesson 52: Lines and angles · Set 587 · 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 40° and 50° complementary, supplementary or neither? (a) Supplementary (b) Complementary (c) Neither
2. 2.What is the complement of 83° (in degrees)?
3. 3.Are 14° and 89° complementary, supplementary or neither? (a) Supplementary (b) Complementary (c) Neither
4. 4.What is the supplement of 29° (in degrees)?
5. 5.Two angles are supplementary. One is 36° more than the other. What is the bigger angle (in degrees)?
6. 6.Are 45° and 89° complementary, supplementary or neither? (a) Complementary (b) Neither (c) Supplementary
7. 7.What is the complement of 55° (in degrees)?
8. 8.Are 26° and 154° complementary, supplementary or neither? (a) Neither (b) Supplementary (c) Complementary
9. 9.Two straight lines cross each other. One of the angles formed is 57°. What is the angle next to it on the same line (in degrees)?
10. 10.What is the complement of 77° (in degrees)?
11. 11.Two straight lines cross each other. One of the angles formed is 122°. What is the angle next to it on the same line (in degrees)?
12. 12.What is the supplement of 34° (in degrees)?
13. 13.What is the complement of 52° (in degrees)?
14. 14.Two straight lines cross each other. One of the angles formed is 34°. What is the angle vertically opposite to it (in degrees)?
15. 15.Are 46° and 44° complementary, supplementary or neither? (a) Supplementary (b) Neither (c) Complementary
16. 16.Two parallel lines are cut by a transversal. One angle is 77°. What is its corresponding angle (in degrees)?
17. 17.Two straight lines cross each other. One of the angles formed is 60°. What is the angle vertically opposite to it (in degrees)?
18. 18.What is the supplement of 135° (in degrees)?
19. 19.What is the complement of 68° (in degrees)?
20. 20.Two angles are supplementary. One is 58° more than the other. What is the bigger angle (in degrees)?
21. 21.Are 30° and 150° complementary, supplementary or neither? (a) Complementary (b) Neither (c) Supplementary
22. 22.What is the supplement of 126° (in degrees)?
23. 23.What is the supplement of 21° (in degrees)?
24. 24.What is the supplement of 19° (in degrees)?
25. 25.Are 37° and 143° complementary, supplementary or neither? (a) Supplementary (b) Complementary (c) Neither
26. 26.What is the complement of 21° (in degrees)?
27. 27.What is the supplement of 15° (in degrees)?
28. 28.What is the supplement of 45° (in degrees)?
29. 29.Two parallel lines are cut by a transversal. One interior angle is 130°. What is its alternate interior angle (in degrees)?
30. 30.What is the complement of 63° (in degrees)?
31. 31.What is the complement of 76° (in degrees)?
32. 32.Two angles are supplementary. One is 14° more than the other. What is the bigger angle (in degrees)?
33. 33.Two angles are complementary. One is 48° more than the other. What is the bigger angle (in degrees)?
34. 34.Two parallel lines are cut by a transversal. One interior angle is 121°. What is its alternate interior angle (in degrees)?
35. 35.Two angles are complementary. One is 32° more than the other. What is the bigger angle (in degrees)?
36. 36.Are 55° and 125° complementary, supplementary or neither? (a) Neither (b) Supplementary (c) Complementary
37. 37.What is the supplement of 61° (in degrees)?
38. 38.Two straight lines cross each other. One of the angles formed is 26°. What is the angle next to it on the same line (in degrees)?
39. 39.What is the complement of 42° (in degrees)?
40. 40.Two straight lines cross each other. One of the angles formed is 25°. What is the angle next to it on the same line (in degrees)?

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