Special Angle Relationships with Equations

Front

What is the angle measure of the smaller angle if the options are 108°, 90°, 72°, 36°?

Back

72°

Front

Which equation can be used to solve for the value of x? Options: 48 + 2x = 180, 48 + 2x = 90, 2(48) + x = 180, 48 + 2x = 360

Back

48 + 2x = 180

Front

What are complementary angles?

Back

Angles that add up to 90°

Front

What are supplementary angles?

Back

Angles that add up to 180°

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

Front

Define complementary angles.

Back

Two angles whose measures add up to 90°.

Front

Define supplementary angles.

Back

Two angles whose measures add up to 180°.

Front

What is the sum of the measures of two complementary angles?

Back

90°

Front

What is the sum of the measures of two supplementary angles?

Back

180°

Front

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

Back

60°