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 59° and 108° = ____°
  2. Third angle of a triangle with angles 43° and 31° = ____°
  3. Third angle of a triangle with angles 25° and 89° = ____°
  4. Third angle of a triangle with angles 24° and 135° = ____°
  5. Third angle of a triangle with angles 78° and 85° = ____°
  6. Third angle of a triangle with angles 38° and 128° = ____°
  7. Third angle of a triangle with angles 34° and 115° = ____°
  8. Complement of 16° = ____°
  9. Complement of 33° = ____°
  10. Supplement of 81° = ____°
  11. Complement of 82° = ____°
  12. Complement of 45° = ____°
  13. Third angle of a triangle with angles 18° and 110° = ____°
  14. Third angle of a triangle with angles 35° and 39° = ____°
  15. Supplement of 174° = ____°
  16. Third angle of a triangle with angles 73° and 26° = ____°
  17. Third angle of a triangle with angles 66° and 26° = ____°
  18. Complement of 19° = ____°
  19. Complement of 72° = ____°
  20. Third angle of a triangle with angles 51° and 66° = ____°
Angles Worksheet — Free Printable with Answer Key | WaffleMath