Complementary Angles Lesson

Complementary Angles

Two angles that add to equal 90o

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

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:-)