Which formula correctly describes the proportional relationship between the circumference of a circle and the diameter?(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=πd
upper C equals Start Fraction pi over d End Fraction

π=dC
pi equals Start Fraction d over upper C

Answer 1

C=πd
(The circumference of a circle is equal to π times the diameter)