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Angles with parallel lines

8th grade (Year 9 in England) · 16 questions · Common Core: 8.G.A.5 · England: KS3 Geometry, GCSE Foundation Geometry

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Date

Score/ 16

  1. Question 1

    Alternate angles on parallel lines are (3x + 6)° and 63°. Find x.

    x =

  2. Question 2

    A line crosses two parallel lines. One angle is 94°. What is the co-interior (same-side interior) angle to it, in degrees?

    Answer

  3. Question 3

    Alternate angles on parallel lines are (2x + 2)° and 36°. Find x.

    x =

  4. Question 4

    A line crosses two parallel lines. One angle is 146°. What is the co-interior (same-side interior) angle to it, in degrees?

    Answer

  5. Question 5

    Alternate angles on parallel lines are (4x + 18)° and 138°. Find x.

    x =

  6. Question 6

    A line crosses two parallel lines. One angle is 44°. What is the corresponding angle to it, in degrees?

    Answer

  7. Question 7

    Alternate angles on parallel lines are (4x + 28)° and 156°. Find x.

    x =

  8. Question 8

    A line crosses two parallel lines. One angle is 128°. What is the corresponding angle to it, in degrees?

    Answer

  9. Question 9

    Alternate angles on parallel lines are (4x + 18)° and 122°. Find x.

    x =

  10. Question 10

    A line crosses two parallel lines. One angle is 42°. What is the corresponding angle to it, in degrees?

    Answer

  11. Question 11

    Alternate angles on parallel lines are (3x + 16)° and 85°. Find x.

    x =

  12. Question 12

    A line crosses two parallel lines. One angle is 139°. What is the alternate angle to it, in degrees?

    Answer

  13. Question 13

    Alternate angles on parallel lines are (2x + 3)° and 65°. Find x.

    x =

  14. Question 14

    A line crosses two parallel lines. One angle is 108°. What is the co-interior (same-side interior) angle to it, in degrees?

    Answer

  15. Question 15

    Alternate angles on parallel lines are (2x + 30)° and 88°. Find x.

    x =

  16. Question 16

    A line crosses two parallel lines. One angle is 123°. What is the corresponding angle to it, in degrees?

    Answer

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  1. x = 19
  2. 86
  3. x = 17
  4. 34
  5. x = 30
  6. 44
  7. x = 32
  8. 128
  9. x = 26
  10. 42
  11. x = 23
  12. 139
  13. x = 31
  14. 72
  15. x = 29
  16. 123