2/25/21 Angle Relationships

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose sum is 90 degrees.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose sum is 180 degrees.

Front

What are adjacent angles?

Back

Adjacent angles are two angles that share a common side and a common vertex.

Front

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

Back

The other angle measures 60 degrees.

Front

If two angles are supplementary and one angle measures 110 degrees, what is the measure of the other angle?

Back

The other angle measures 70 degrees.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal in measure.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is the measure of each angle in a right triangle?

Back

One angle measures 90 degrees, and the other two angles are complementary.

Front

How do you find the missing angle in a linear pair?

Back

The missing angle can be found by subtracting the known angle from 180 degrees.

Front

What is the definition of a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.