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Corresponding angles and parallel lines

Grade 8 math · Fieldbook Learning

Name ______________________ Date __________

Parallel lines cut by a transversal make equal angles (corresponding, alternate, vertical) and angles that add to 180° (straight line, co-interior).

  1. Two parallel lines are cut by a transversal. One angle measures 110°. What is the measure of an angle that is its corresponding angle?
  2. Two parallel lines are cut by a transversal. One angle measures 41°. What is the measure of an angle that is its corresponding angle?
  3. Two parallel lines are cut by a transversal. One angle measures 34°. What is the measure of an angle that is its corresponding angle?
  4. Two parallel lines are cut by a transversal. One angle measures 96°. What is the measure of an angle that is its corresponding angle?
  5. Two parallel lines are cut by a transversal. One angle measures 126°. What is the measure of an angle that is its corresponding angle?
  6. Two parallel lines are cut by a transversal. One angle measures 127°. What is the measure of an angle that is its corresponding angle?
  7. Two parallel lines are cut by a transversal. One angle measures 69°. What is the measure of an angle that is its corresponding angle?
  8. Two parallel lines are cut by a transversal. One angle measures 55°. What is the measure of an angle that is its corresponding angle?
  9. Two parallel lines are cut by a transversal. One angle measures 39°. What is the measure of an angle that is its corresponding angle?
  10. Two parallel lines are cut by a transversal. One angle measures 64°. What is the measure of an angle that is its corresponding angle?
  11. Two parallel lines are cut by a transversal. One angle measures 31°. What is the measure of an angle that is its corresponding angle?
  12. Two parallel lines are cut by a transversal. One angle measures 128°. What is the measure of an angle that is its corresponding angle?
  13. Two parallel lines are cut by a transversal. One angle measures 58°. What is the measure of an angle that is its corresponding angle?
  14. Two parallel lines are cut by a transversal. One angle measures 92°. What is the measure of an angle that is its corresponding angle?
  15. Two parallel lines are cut by a transversal. One angle measures 132°. What is the measure of an angle that is its corresponding angle?
  16. Two parallel lines are cut by a transversal. One angle measures 78°. What is the measure of an angle that is its corresponding angle?
  17. Two parallel lines are cut by a transversal. One angle measures 121°. What is the measure of an angle that is its corresponding angle?
  18. Two parallel lines are cut by a transversal. One angle measures 165°. What is the measure of an angle that is its corresponding angle?
  19. Two parallel lines are cut by a transversal. One angle measures 133°. What is the measure of an angle that is its corresponding angle?
  20. Two parallel lines are cut by a transversal. One angle measures 101°. What is the measure of an angle that is its corresponding angle?
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Answer key: Corresponding angles and parallel lines

  1. 110
  2. 41
  3. 34
  4. 96
  5. 126
  6. 127
  7. 69
  8. 55
  9. 39
  10. 64
  11. 31
  12. 128
  13. 58
  14. 92
  15. 132
  16. 78
  17. 121
  18. 165
  19. 133
  20. 101