Lines of Symmetry

Front

What is a line of symmetry?

Back

A line that divides a shape into two identical parts that are mirror images of each other.

Front

How many lines of symmetry does a square have?

Back

4 lines of symmetry.

Front

How many lines of symmetry does a circle have?

Back

An infinite number of lines of symmetry.

Front

What is an acute angle?

Back

An angle that is open less than a right angle and has a measure less than 90 degrees.

Front

What is an obtuse angle?

Back

An angle that is open more than a right angle but less than a straight angle, measuring between 90 and 180 degrees.

Front

What is a right angle?

Back

An angle that forms a square corner and has a measure of 90 degrees.

Front

What is a reflex angle?

Back

An angle that is greater than 180 degrees but less than 360 degrees.

Front

How many lines of symmetry does a butterfly have?

Back

1 line of symmetry.

Front

How many lines of symmetry does a regular pentagon have?

Back

5 lines of symmetry.

Front

How many lines of symmetry does a regular hexagon have?

Back

6 lines of symmetry.