Question

Which formula is used to find the area of a circle when given the radius?(1 point) Responses A=r2 upper A equals r squared A=2r upper A equals 2 r A=r upper A equals r A=d2

Answer 1

so A=r2?

Answer 2

A=πr^2
(A=r² is another way to write it, but it's the same formula)

Answer 3

A=r^2 is the same as A=πr^2. The correct formula to find the area of a circle when given the radius is A=πr^2 or A=r^2.