Angle Relationships

Front

What is the definition of a supplementary angle?

Back

Two angles that measure 180 degrees.

Front

What is the definition of a complementary angle?

Back

Two angles that measure 90 degrees.

Front

Two angles added together to produce 90 degrees are called?

Back

Complementary angles.

Front

What do you call two angles that measure 180 degrees when added together?

Back

Supplementary angles.

Front

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

Back

150 degrees.

Front

If one angle measures 40 degrees, what is the measure of its complementary angle?

Back

50 degrees.

Front

What is the sum of the measures of a right angle?

Back

90 degrees.

Front

What is the sum of the measures of a straight angle?

Back

180 degrees.

Front

Find the missing angle if one angle is 70 degrees and they are complementary.

Back

20 degrees.

Front

Find the missing angle if one angle is 110 degrees and they are supplementary.

Back

70 degrees.