Symmetry

An imaginary line which divides a figure into two identical halves is called a ______________.

• drawing

• straight line

• line of symmetry

• curved line

Which of these exists only in the mind?

• size

• line of symmetry

• shape

What shape is this?

• A pentagon with a diagonal line of symmetry

• A hexagon with a vertical line of symmetry

• A polygon with no line of symmetry

• A hexagon with a diagonal line of symmetry

Which of these shapes has infinite lines of symmetry?

• Sphere

• Square

• Circle

• Cube

How many lines of symmetry does this figure have?

• None

• Two

• One

To be identical means________________

• to look different

• to look alike

• to be bigger or smaller

How many lines of symmetry does this star have?

• 1

• 2

• 3

• 4

• 5

A triangle with three equal sides and three lines of symmetry is ____________________

• an isosceles triangle

• an equilateral triangle

• a scalene triangle

• a prism

___________________ is a triangle with only one line of symmetry

• Isosceles triangle

• equilateral triangle

• prism

• polyhedron

What type of shapes have lines of symmetry?

• 2D

• 3D

• 2D and 3D