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 13° and 99° = ____°
  2. Third angle of a triangle with angles 29° and 109° = ____°
  3. Complement of 33° = ____°
  4. Supplement of 151° = ____°
  5. Supplement of 57° = ____°
  6. Supplement of 55° = ____°
  7. Complement of 16° = ____°
  8. Supplement of 154° = ____°
  9. Supplement of 24° = ____°
  10. Supplement of 88° = ____°
  11. Complement of 84° = ____°
  12. Third angle of a triangle with angles 65° and 29° = ____°
  13. Third angle of a triangle with angles 42° and 71° = ____°
  14. Complement of 20° = ____°
  15. Complement of 53° = ____°
  16. Supplement of 117° = ____°
  17. Complement of 75° = ____°
  18. Complement of 56° = ____°
  19. Third angle of a triangle with angles 55° and 15° = ____°
  20. Third angle of a triangle with angles 35° and 127° = ____°
Angles Worksheet — Free Printable with Answer Key | WaffleMath