Types of Angle Pairs

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

What are adjacent angles?

Back

Adjacent angles are two angles that share a common vertex and a common side but do not overlap.

Front

What are vertical angles?

Back

Vertical angles are angles that are opposite each other when two lines intersect, and they are equal in measure.

Front

If two angles are complementary, what is the sum of their measures?

Back

The sum of their measures is 90 degrees.

Front

If two angles are supplementary, what is the sum of their measures?

Back

The sum of their measures is 180 degrees.

Front

Give an example of complementary angles.

Back

An example of complementary angles is a 30-degree angle and a 60-degree angle.

Front

Give an example of supplementary angles.

Back

An example of supplementary angles is a 110-degree angle and a 70-degree angle.

Front

What is the relationship between adjacent angles?

Back

Adjacent angles share a common vertex and a common side.

Front

How can you identify vertical angles in an intersecting line diagram?

Back

Vertical angles are located across from each other at the intersection of two lines.