Complementary, Supplementary and vertical Angles

Front

What are complementary angles?

Back

Angles whose sum is 90°.

Front

What are supplementary angles?

Back

Angles whose sum is 180°.

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

Front

What is the sum of two complementary angles?

Back

90°.

Front

What is the sum of two supplementary angles?

Back

180°.

Front

Can complementary angles be adjacent?

Back

Yes, complementary angles can be adjacent.

Front

Can supplementary angles be adjacent?

Back

Yes, supplementary angles can be adjacent.

Front

If two angles are supplementary and one angle measures 30°, what is the measure of the other angle?

Back

150°.

Front

If two angles are complementary and one angle measures 45°, what is the measure of the other angle?

Back

45°.

Front

Are vertical angles always equal?

Back

Yes, vertical angles are always equal.