# Circles Facts for Kids – 5 Super Facts about Circles

Updated on: Educator Review By: Michelle Connolly

Do you like to cut your food into slices? Here are five super circles facts for kids.

## Circles Facts for Kids Fact Number 1: What Is The 3D Shape of a Circle?

Circles are 2D shapes. Their 3D counterpart is a sphere. A good way to know if it is 2D or 3D is to think about if you were to put it on the ground, would it lay flat or would it roll away?

## Circles Facts for Kids Fact Number 2: How Many Sides Does a Circle Have?

A circle is a bit different from quite a lot of other shapes. It has only got one side and no corners.

## Circles Facts for Kids Fact Number 3: Radius and Diameter

Radius and diameter are two important measurements in a circle. The diameter is the longest straight line through a circle. The radius is half of this.

## Circles Facts for Kids Fact Number 4: Circumference and Pi

The distance around the edge of a circle is called the circumference. This can be measured by using this formula, Pi times diameter of the circle.

## Circles Facts for Kids Fact Number 5: Circle’s Area

The area of a circle is the amount of space within its outline. This can be calculated using the formula Pi times square of the radius. Get calculating.

We hope you enjoyed learning about circles, check out these articles about some other shapes: Polygons, Geometric Shapes, Isosceles Triangle, Pentagon, and 2D and 3D Shapes.

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