The area of a circle can be found by using the formula 

. This video explains the formula’s terms, and how to use it, through multiple examples.

How Do You Calculate the Area of a Circle?

The ratio of a circle’s circumference to its diameter. Its value is approximately 3.14, andits symbol is the Greek letter \pi

A set of points that has the same fixed distance from a point, called the center of the circle.

Any line segment from the center of a circle to its circumference

Any line segment that passes through the center of a circle whose endpoints lie on the circumference

A mathematical statement which tells you that two expressions are equal

Mathagon

The Number π

Circumference of a Circle

Area of a Circle

Length of a Circular Arc

Area of a Circular Sector

Circles

Definition

The area of a circle can be found by using the formula A = πr². This video explains the formula’s terms, and how to use it, through multiple examples. 