Classifying angles

Front

What is an angle that measures exactly 180 degrees called?

Back

Straight angle.

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

What is the name of an angle that measures exactly 90 degrees?

Back

Right angle.

Front

What type of angle measures less than 90 degrees?

Back

Acute angle.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

What is the term for angles that add up to 90 degrees?

Back

Complementary angles.

Front

What is the term for angles that add up to 180 degrees?

Back

Supplementary angles.

Front

What is the name of an angle that measures exactly 0 degrees?

Back

Zero angle.

Front

What type of angle measures exactly 360 degrees?

Back

Full angle.

Front

What is the relationship between a right angle and an acute angle?

Back

A right angle is greater than an acute angle.