Angle Relationships

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What is the sum of two complementary angles?

Back

90 degrees.

Front

What is the definition of a supplementary angle?

Back

Two angles that add up to 180 degrees.

Front

What is the sum of two supplementary angles?

Back

180 degrees.

Front

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

Back

60 degrees.

Front

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

Back

60 degrees.

Front

What type of angles are formed when two lines intersect?

Back

Vertical angles.

Front

What is the measure of vertical angles?

Back

Vertical angles are equal.

Front

If angle A is 45 degrees, what is the measure of its complementary angle?

Back

45 degrees.

Front

If angle B is 75 degrees, what is the measure of its supplementary angle?

Back

105 degrees.