Identifying Angles

Front

What is the vertex of an angle?

Back

The vertex is the point where the two rays of an angle meet.

Front

What do you call an angle that is more than 90 degrees?

Back

Obtuse angle.

Front

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

Back

Acute angle.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is a reflex angle?

Back

An angle that measures more than 180 degrees but less than 360 degrees.

Front

Identify the angle: 45 degrees.

Back

Acute angle.

Front

Identify the angle: 120 degrees.

Back

Obtuse angle.

Front

Identify the angle: 90 degrees.

Back

Right angle.

Front

Identify the angle: 180 degrees.

Back

Straight angle.