4.6B 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 circle have?

Back

A circle has an infinite number of lines of symmetry.

Front

What does it mean if a shape is symmetrical?

Back

A shape is symmetrical if it can be divided into two identical halves that are mirror images.

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 an equilateral triangle have?

Back

An equilateral triangle has 3 lines of symmetry.

Front

What is an example of a shape that is not symmetrical?

Back

An irregular shape, like a scalene triangle, is not symmetrical.

Front

How can you find the line of symmetry in a shape?

Back

You can find the line of symmetry by folding the shape along the line and checking if both halves match.

Front

What is the line of symmetry for a butterfly shape?

Back

A butterfly shape typically has 1 line of symmetry down the center.

Front

How many lines of symmetry does a regular pentagon have?

Back

A regular pentagon has 5 lines of symmetry.