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 49° and 121° = ____°
  2. Complement of 51° = ____°
  3. Supplement of 124° = ____°
  4. Complement of 19° = ____°
  5. Supplement of 122° = ____°
  6. Supplement of 8° = ____°
  7. Complement of 70° = ____°
  8. Supplement of 138° = ____°
  9. Complement of 22° = ____°
  10. Supplement of 151° = ____°
  11. Third angle of a triangle with angles 15° and 71° = ____°
  12. Supplement of 133° = ____°
  13. Supplement of 102° = ____°
  14. Supplement of 136° = ____°
  15. Third angle of a triangle with angles 50° and 23° = ____°
  16. Third angle of a triangle with angles 41° and 39° = ____°
  17. Third angle of a triangle with angles 26° and 121° = ____°
  18. Third angle of a triangle with angles 45° and 27° = ____°
  19. Third angle of a triangle with angles 78° and 37° = ____°
  20. Third angle of a triangle with angles 33° and 11° = ____°
Angles Worksheet — Free Printable with Answer Key | WaffleMath