GA.3 Symmetry

Front

What is symmetry?

Back

Symmetry is when one shape becomes exactly like another if you flip, slide, or turn it.

Front

What is a line of symmetry?

Back

A line of symmetry is an imaginary line that divides a shape into two identical parts.

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 circle have?

Back

A circle has an infinite number of 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

How many lines of symmetry does an isosceles triangle have?

Back

An isosceles triangle has 1 line of symmetry.

Front

What shapes have no lines of symmetry?

Back

Shapes like a scalene triangle or a random irregular shape have no lines of symmetry.

Front

True or False: A regular polygon has as many lines of symmetry as it has sides.

Back

True.

Front

What is rotational symmetry?

Back

Rotational symmetry is when a shape can be rotated around a center point and still look the same.