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Complementary and Supplementary Angles

Author:Catherine Kelly, Brian Connor
Manipulate the Applet to create Complementary and Supplementary Angles

Complementary Angles = 90 degrees. Move the dot on the line to make Complementary Angles.

Complementary Angles = 90 degrees. Move the dot on the line to make Complementary Angles.

Complementary Angles Practice

1. Do 47 degrees and 35 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

2. Do 70 degrees and 20 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

3. Do 110 degrees and 30 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

4. Do 75 degrees and 15 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

5. Do 10 degrees and 80 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
  • C
Check my answer (3)

6. Do 90 degrees and 30 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

7. Do 37 degrees and 53 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

8. Do 170 degrees and 10 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

9. Do 45 degrees and 65 degrees added together equal a complementary angle? (change the angles on the picture to find out)

Select all that apply
  • A
  • B
Check my answer (3)

10. A pair of angles must add up to ___________ degrees to be a Complementary Angle.

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Complimentary and Supplementary Angles

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