Angles

Front

What is an acute angle?

Back

An angle that is less than 90 degrees.

Front

What is an obtuse angle?

Back

An angle that is greater than 90 degrees and less than 180 degrees.

Front

What is a right angle?

Back

An angle that is exactly 90 degrees.

Front

What is a straight angle?

Back

An angle that is exactly 180 degrees.

Front

How many degrees are in a full circle?

Back

360 degrees.

Front

What do we call an angle that is exactly 90 degrees?

Back

Right angle.

Front

What do we call an angle that is less than 90 degrees?

Back

Acute angle.

Front

What do we call an angle that is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

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

Back

Complementary angles.