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Vertical, complementary and supplementary angles

7th grade (Year 8 in England) · 16 questions · Common Core: 7.G.B.5 · England: KS3 Geometry, GCSE Foundation Geometry

Name

Date

Score/ 16

  1. Question 1

    What is the complement of 81°?

    Answer

  2. Question 2

    Two angles on a straight line are (2x + 24)° and 142°. Find x.

    x =

  3. Question 3

    What is the supplement of 18°?

    Answer

  4. Question 4

    Two angles on a straight line are (2x + 21)° and 117°. Find x.

    x =

  5. Question 5

    Two straight lines cross. One angle is 74°. What is the vertically opposite angle?

    Answer

  6. Question 6

    Two angles on a straight line are (3x + 38)° and 61°. Find x.

    x =

  7. Question 7

    Two straight lines cross. One angle is 53°. What is the vertically opposite angle?

    Answer

  8. Question 8

    Two angles on a straight line are (3x + 9)° and 84°. Find x.

    x =

  9. Question 9

    Two straight lines cross. One angle is 134°. What is the vertically opposite angle?

    Answer

  10. Question 10

    Two angles on a straight line are (3x + 24)° and 123°. Find x.

    x =

  11. Question 11

    What is the complement of 86°?

    Answer

  12. Question 12

    Two angles on a straight line are (3x + 38)° and 124°. Find x.

    x =

  13. Question 13

    What is the supplement of 119°?

    Answer

  14. Question 14

    Two angles on a straight line are (3x + 21)° and 144°. Find x.

    x =

  15. Question 15

    What is the supplement of 141°?

    Answer

  16. Question 16

    Two angles on a straight line are (2x + 16)° and 140°. Find x.

    x =

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  1. 9
  2. x = 7
  3. 162
  4. x = 21
  5. 74
  6. x = 27
  7. 53
  8. x = 29
  9. 134
  10. x = 11
  11. 4
  12. x = 6
  13. 61
  14. x = 5
  15. 39
  16. x = 12