Lesson T4.3.2

T4.3.2 Parallel lines, alternate and corresponding angles Quiz: KS3 Maths, Unit 4

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson T4.3.2, Parallel lines, alternate and corresponding angles: 20 multiple choice questions for the KS3 Maths (National Curriculum), Unit 4: Geometry and measures, written with Revision Ninja.

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The 20 questions

  1. What is the defining geometric feature of parallel lines?

    • Perpendicular slopes
    • Meet at right angles
    • Always intersect
    • Never meet

  2. What is the geometric relationship between alternate angles?

    • They sum to 180
    • They are unequal
    • They are equal
    • They sum to 90

  3. Corresponding angles are equal when the two lines are what?

    • Perpendicular
    • Of equal length
    • Parallel
    • Curved

  4. Two parallel lines are cut by a transversal. One angle is 65 degrees. What is its alternate angle?

    • 65 degrees
    • 25 degrees
    • 180 degrees
    • 115 degrees

  5. Two parallel lines are cut by a transversal. One angle is 110 degrees. What is its corresponding angle?

    • 250 degrees
    • 110 degrees
    • 90 degrees
    • 70 degrees

  6. Two parallel lines are cut by a transversal. Angles on the same side inside the lines add up to what?

    • 270 degrees
    • 90 degrees
    • 180 degrees
    • 360 degrees

  7. A transversal crosses two parallel lines. Alternate angles are 3x and 75 degrees. What is x?

    • 45
    • 25
    • 75
    • 15

  8. Corresponding angles on parallel lines are x = 62 degrees and y. What is y?

    • 28 degrees
    • 118 degrees
    • 62 degrees
    • 180 degrees

  9. A transversal creates corresponding angles of 70 degrees and 75 degrees. What does this show?

    • Lines are parallel
    • Lines are not parallel
    • Lines are perpendicular
    • Angles are complementary

  10. One angle formed by a transversal across parallel lines is 124 degrees. What is its alternate angle?

    • 236 degrees
    • 62 degrees
    • 56 degrees
    • 124 degrees

  11. A straight road crosses two parallel roads and makes an angle of 60 degrees with the first road. What is the corresponding angle on the second road?

    • 30 degrees
    • 120 degrees
    • 60 degrees
    • 300 degrees

  12. Which diagram symbol indicates that two straight lines are parallel?

    • Tick marks
    • Dotted lines
    • Right angle box
    • Matching arrows

  13. Which angle pattern shows corresponding angles?

    • F shape
    • Z shape
    • C shape
    • U shape

  14. Parallel lines are cut by a transversal and one angle is 58 degrees. What is the angle next to it on the straight line?

    • 122 degrees
    • 238 degrees
    • 58 degrees
    • 32 degrees

  15. Corresponding angles on parallel lines are 3x and 2x + 30. What is x?

    • 30
    • 45
    • 60
    • 15

  16. Alternate angles on parallel lines are 2x + 10 and 4x - 50. What is x?

    • 25
    • 20
    • 40
    • 30

  17. Which angle pair is always equal when a transversal crosses parallel lines?

    • Interior angles
    • Corresponding angles
    • Adjacent angles
    • Supplementary angles

  18. How can a carpenter best check if two rails are parallel?

    • Weigh the rails
    • Check rail lengths
    • Measure angle sum
    • Measure equal distance

  19. A transversal makes a 35 degree angle at the top line. What is the alternate angle on the bottom line, on the other side?

    • 70 degrees
    • 35 degrees
    • 145 degrees
    • 55 degrees

  20. Angles on the same side of a transversal inside parallel lines are 65 degrees and y. What is y?

    • 245 degrees
    • 65 degrees
    • 115 degrees
    • 25 degrees

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