Complementary and Supplementary Angles Lessons

Complementary Angles

Two angles that add to equal 90o

Fill in the Blanks

What do complementary angles add up to?

Multiple Choice

Which angle is complementary to 80°

• 15°

• 10°

• 20°

• 5°

Multiple Select

Select complementary angles

• 50°

• 30°

• 40°

• 35°

Supplementary Angles

Two angles that add to equal 180o

Fill in the Blanks

What do supplementary angles add up to?

Multiple Choice

Which angle is supplementary to 120°

• 40°

• 80°

• 60°

• 70°

Multiple Select

Select the supplementary angles

• 40°

• 100°

• 70°

• 140°

How can we remember which is which….let’s watch:-)