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

4

Front

How many lines of symmetry does a rectangle have?

Back

2

Front

How many lines of symmetry does a triangle have?

Back

1 (for an isosceles triangle) or 3 (for an equilateral triangle).

Front

How many lines of symmetry does a circle have?

Back

Infinite lines of symmetry.

Front

What shape has 6 lines of symmetry?

Back

A regular hexagon.

Front

Can a shape have no lines of symmetry? Give an example.

Back

Yes, an irregular shape like a scalene triangle has no lines of symmetry.

Front

What is the line of symmetry for a butterfly?

Back

1 line of symmetry, which divides it into two identical halves.

Front

How do you find a line of symmetry in a shape?

Back

You can fold the shape along the line to see if both halves match.

Front

What is the relationship between lines of symmetry and regular polygons?

Back

Regular polygons have as many lines of symmetry as they have sides.