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. Which statement describes parallel lines?

    • Lines that are always equal in length and point the same way
    • Lines that cross at the midpoint of each other, forming equal angles
    • Lines that meet at a right angle at a single point
    • Lines that never meet and stay the same distance apart

  2. Alternate angles are which kind of angles?

    • C-shaped angles on the same side of a transversal between parallel lines, which add up to 180 degrees
    • Angles at a point on a straight line that sum to 180 degrees and sit opposite each other
    • Z-shaped angles on opposite sides of a transversal between parallel lines, which are equal
    • Angles that sit on the same side of a transversal and are always equal in size

  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. Two lines are cut by a transversal and a pair of corresponding angles is 70 degrees and 75 degrees. What does this show?

    • The lines are parallel
    • The lines are not parallel
    • The lines are perpendicular
    • The angles sum to 145 degrees

  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 symbol is used on a diagram to show that two lines are parallel?

    • A dotted line
    • A circle at the midpoint
    • A small square at the join
    • Matching arrows on the lines

  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 statement about parallel lines is always true?

    • Alternate angles add up to 180 degrees
    • Corresponding angles are equal
    • All angles are 90 degrees
    • The lines meet every 10 cm

  18. A carpenter checks two rails are parallel. Which check is best?

    • Weigh the rails
    • Measure the angle at one end of one rail only
    • Count the number of nails in each rail
    • Measure the same distance between the rails at each end

  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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