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

Question

Responses

A=πr2
upper A equals pi r squared

Cd=π
Start Fraction upper C over d End Fraction equals pi

C=2πr
upper C equals 2 pi r

C2=4πA

Answer 1

C=2πr is the correct expression that shows the relationship between the circumference (C) and the radius (r) of a circle.