Which of the following expressions correctly shows the relationship between the circumference and the area of a circle?(1 point)

Question

Responses

C=2πr
upper C equals 2 pi r

A=πr2
upper A equals pi r squared

C2=4πA
upper C squared equals 4 pi upper A

Cd=π

Answer 1

A=πr^2

This expression correctly shows the relationship between the circumference and the area of a circle.