Which formula is used to find the area of a circle when given the radius?(1 point)

Responses

A=π2r
upper A equals 2 r

A=πr2
upper A equals r squared

A=πd2
upper A equals d squared

A=πr

1 answer

The correct formula to find the area of a circle when given the radius \( r \) is:

A = πr²

So the answer is: A=πr².