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.

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a rectangle have?

Back

A rectangle has 2 lines of symmetry.

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a circle have?

Back

A circle has an infinite number of lines of symmetry.

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a triangle have?

Back

An equilateral triangle has 3 lines of symmetry.

Tags

CCSS.4.G.A.3

Front

What type of angle is less than 90°?

Back

An acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is exactly 90°?

Back

A right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is greater than 90° but less than 180°?

Back

An obtuse angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is greater than 180°?

Back

A reflex angle.

Tags

CCSS.4.G.A.1

Front

How many lines of symmetry does a regular pentagon have?

Back

A regular pentagon has 5 lines of symmetry.

Tags

CCSS.4.G.A.3