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Grade 8–9 · Geometry
Angles on Parallel Lines: The Complete Exam Guide
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Answer all questions. Show all your working — marks are awarded for method as well as the final answer.

  1. 1
    In the diagram below, AB ∥ CD. Determine the size of x, giving a reason.
    (2)
    ABCD65°x
  2. 2
    In the diagram below, AB ∥ CD. Determine the size of x, giving a reason.
    (2)
    ABCD48°x
  3. 3
    In the diagram below, AB ∥ CD. Determine the size of x, giving a reason.
    (2)
    ABCD130°x
  4. 4
    In the diagram below, AB ∥ CD. Determine the size of x, giving a reason.
    (2)
    ABCD90°x
  5. 5
    In the diagram below, POQ is a straight line. Determine the size of x.
    (2)
    PQRO72°x
  6. 6
    Two straight lines intersect as shown in the diagram below. Determine the size of x.
    (2)
    115°x
  7. 7
    In the diagram below, AB ∥ CD. Determine the sizes of y and then x, giving reasons.
    (2)
    ABCD100°yx
  8. 8
    In the diagram below, AB ∥ CD. Calculate the value of x.
    (2)
    ABCD(2x)°(x + 60)°
  9. 9
    In the diagram below, AB ∥ CD. Calculate the value of x.
    (2)
    ABCD(4x)°(x + 45)°
  10. 10
    In the diagram below, AB ∥ CD. Calculate the value of x.
    (2)
    ABCD(5x − 20)°(3x + 10)°
TOTAL: 20 marks
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