Identify 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

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is a reflex angle?

Back

A reflex angle is an angle that measures more than 180 degrees but less than 360 degrees.

Front

How can you identify an acute angle visually?

Back

An acute angle looks sharp and is smaller than a right angle.

Front

How can you identify an obtuse angle visually?

Back

An obtuse angle looks wider and is larger than a right angle.

Front

How can you identify a right angle visually?

Back

A right angle forms a perfect corner, like the corner of a square.

Front

How can you identify a straight angle visually?

Back

A straight angle looks like a straight line.

Front

How can you identify a reflex angle visually?

Back

A reflex angle looks like it 'bends back' and is larger than a straight angle.