Angles

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

How many degrees are in a full circle?

Back

There are 360 degrees in a full circle.

Front

What do you call an angle that is exactly 180 degrees?

Back

An angle that is exactly 180 degrees is called a straight angle.

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.

Front

If an angle is more than 90 degrees but less than 180 degrees, what type of angle is it?

Back

It is an obtuse angle.

Front

If an angle measures 90 degrees, what type of angle is it?

Back

It is a right angle.

Front

What type of angle is less than 90 degrees?

Back

It is an acute angle.

Front

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

Back

Complementary angles.