Angles

Front

What is an acute angle?

Back

An acute angle is an angle that is smaller than a right angle (less than 90 degrees).

Front

What is a right angle?

Back

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

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that is greater than a right angle (more than 90 degrees) but less than a straight angle (less than 180 degrees).

Front

How many degrees are in a right angle?

Back

A right angle has 90 degrees.

Front

What shape has four right angles?

Back

A square has four right angles.

Front

What letter does a right angle resemble?

Back

A right angle looks like the letter 'L'.

Front

Is an acute angle larger or smaller than a right angle?

Back

An acute angle is smaller than a right angle.

Front

What type of angle is 120 degrees?

Back

120 degrees is an obtuse angle.

Front

What type of angle is 45 degrees?

Back

45 degrees is an acute angle.

Front

What is the sum of angles in a triangle?

Back

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