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

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 triangle have?

Back

An equilateral triangle has 3 lines of symmetry, while an isosceles triangle has 1.

Front

What shape has no lines of symmetry?

Back

A trapezoid typically has no lines of symmetry.

Front

Is a butterfly symmetrical?

Back

Yes, a butterfly is symmetrical with 1 line of symmetry.

Front

What is the line of symmetry for a heart shape?

Back

A heart shape has 1 line of symmetry.

Front

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

Back

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

Front

What is the relationship between symmetry and balance?

Back

Symmetry creates balance in a shape, making it visually appealing and harmonious.