# Area of a Circle

How to find the area of a circle: formula, examples, and their solutions.

## Formula

*A* = *πr*^{2}*A*: area of a circle*π*: 3.141592...*r*: radius

## Example 1

*r* = 5*A* = *π*⋅5^{2}

## Example 2

*d* = 13→*r* = 13/2*A* = *π*⋅(13/2)^{2}

How to find the area of a circle: formula, examples, and their solutions.

*A* = *πr*^{2}*A*: area of a circle*π*: 3.141592...*r*: radius

*r* = 5*A* = *π*⋅5^{2}

*d* = 13→*r* = 13/2*A* = *π*⋅(13/2)^{2}