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 parts that are mirror images of each other.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

How many lines of symmetry does a rectangle have?

Back

A rectangle has 2 lines of symmetry.

Front

How many lines of symmetry does a circle have?

Back

A circle has an infinite number of lines of symmetry.

Front

How many lines of symmetry does a triangle have?

Back

An equilateral triangle has 3 lines of symmetry.

Front

How many lines of symmetry does a parallelogram have?

Back

A parallelogram has 0 lines of symmetry.

Front

How many lines of symmetry does a trapezoid have?

Back

A trapezoid has 0 lines of symmetry.

Front

Which shape has only one line of symmetry?

Back

A rectangle has only one line of symmetry when folded along its length.

Front

Can a shape have more than one line of symmetry? Give an example.

Back

Yes, a shape can have more than one line of symmetry. For example, a square has 4 lines of symmetry.

Front

What is the line of symmetry for an isosceles triangle?

Back

An isosceles triangle has 1 line of symmetry that divides it into two equal halves.