Angle Relationships

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 each other when two lines intersect.

Front

What are corresponding angles?

Back

Angles that are in the same position on parallel lines in relation to a transversal.

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of the transversal and inside the two lines.

Front

What are alternate exterior angles?

Back

Angles that are on opposite sides of the transversal and outside the two lines.

Front

If m∠A = 77°, what is m∠B if A and B are complementary?

Back

m∠B = 13°.

Front

If m∠C = 93°, what is m∠D if C and D are supplementary?

Back

m∠D = 87°.

Front

Find the value of x if 2x + 10 = 48.

Back

x = 19.

Front

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

Back

The other angle also measures 110°.