Angles Worksheet

Recommended for 4th Grade — 7th Grade

New Worksheet

Angles Worksheet

Name: ____________________Date: ____________

Instructions: Measuring angles, classifying acute, right, and obtuse, and solving angle puzzles.

20 problems

  1. Third angle of a triangle with angles 57° and 89° = ____°
  2. Third angle of a triangle with angles 79° and 10° = ____°
  3. Supplement of 21° = ____°
  4. Third angle of a triangle with angles 14° and 139° = ____°
  5. Supplement of 12° = ____°
  6. Third angle of a triangle with angles 71° and 90° = ____°
  7. Supplement of 116° = ____°
  8. Supplement of 49° = ____°
  9. Supplement of 14° = ____°
  10. Supplement of 127° = ____°
  11. Third angle of a triangle with angles 61° and 10° = ____°
  12. Complement of 74° = ____°
  13. Third angle of a triangle with angles 54° and 78° = ____°
  14. Complement of 66° = ____°
  15. Supplement of 109° = ____°
  16. Supplement of 118° = ____°
  17. Third angle of a triangle with angles 31° and 20° = ____°
  18. Complement of 88° = ____°
  19. Third angle of a triangle with angles 34° and 19° = ____°
  20. Complement of 9° = ____°
Angles Worksheet — Free Printable with Answer Key | WaffleMath