Complementary, Supplementary, and Vertical Angles

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

If one angle measures 70°, what is its supplementary angle?

Back

110°.

Front

If one angle measures 30°, what is its complementary angle?

Back

60°.

Front

What is the supplement angle to 90°?

Back

90°.

Front

What is the measure of the missing angle if one angle is 156°?

Back

24°.

Front

If two angles are supplementary and one measures 42°, what is the other angle?

Back

138°.

Front

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

Back

45°.

Front

What type of angles are formed when two lines intersect?

Back

Vertical angles.