Lines of Symmetry Practice

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 an equilateral triangle have?

Back

An equilateral triangle has 3 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 an isosceles triangle have?

Back

An isosceles triangle has 1 line of symmetry.

Front

How many lines of symmetry does a regular pentagon have?

Back

A regular pentagon has 5 lines of symmetry.

Front

What is the line of symmetry for an isosceles trapezoid?

Back

An isosceles trapezoid has 1 line of symmetry.

Front

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

Back

Yes, a shape can have no lines of symmetry. An example is a scalene triangle.

Front

What is the relationship between lines of symmetry and congruence?

Back

Lines of symmetry create congruent halves of a shape.