7th Grade Angle Relationships

Front

What are complementary angles?

Back

Complementary angles are two angles whose sum is 90 degrees.

Front

What is the sum of angles in a triangle?

Back

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

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose sum is 180 degrees.

Front

If one angle measures 30 degrees, what is the measure of its complement?

Back

The complement is 60 degrees.

Front

If one angle measures 120 degrees, what is the measure of its supplement?

Back

The supplement is 60 degrees.

Front

What is the value of x if two angles are complementary and one angle is 40 degrees?

Back

x = 50 degrees.

Front

What is the value of x if two angles are supplementary and one angle is 110 degrees?

Back

x = 70 degrees.

Front

What is the measure of an angle that is both complementary and supplementary?

Back

The measure is 90 degrees.

Front

If angle A is 45 degrees, what is the measure of angle B if they are complementary?

Back

Angle B is 45 degrees.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal to each other.