math 104 e-learning day

Front

What is the measure of a straight angle?

Back

180°

Front

What is the measure of a right angle?

Back

90°

Front

What are complementary angles?

Back

Two angles whose measures add up to 90°.

Front

What are supplementary angles?

Back

Two angles whose measures add up to 180°.

Front

What is an obtuse angle?

Back

An angle that measures more than 90° but less than 180°.

Front

What is an acute angle?

Back

An angle that measures less than 90°.

Front

If two angles are complementary and one angle measures 30°, what is the measure of the other angle?

Back

60°

Front

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

Back

70°

Front

What is the sum of the interior angles of a triangle?

Back

180°.

Front

What is the measure of an angle that is a full rotation?

Back

360°.