Lines of Symmetry

Front

What is a line of symmetry?

Back

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

Front

For a shape to be symmetrical, do both sides have to be the same when divided?

Back

Yes

Front

How many lines of symmetry does a square have?

Back

4

Front

How many lines of symmetry does a circle have?

Back

Infinite

Front

How many lines of symmetry does a rectangle have?

Back

2

Front

How many lines of symmetry does a trapezoid have?

Back

0

Front

Is this a line of symmetry? (Show a diagram of a shape with a line through it)

Back

Yes

Front

What is the maximum number of lines of symmetry a regular polygon can have?

Back

The maximum number of lines of symmetry is equal to the number of sides.

Front

How many lines of symmetry does a triangle have?

Back

It depends on the type of triangle: Equilateral has 3, Isosceles has 1, and Scalene has 0.

Front

Can a shape have more than one line of symmetry?

Back

Yes, many shapes can have multiple lines of symmetry.