Which formula correctly describes the proportional relationship between the circumference of a circle and the diameter?(1 point)

Question

Responses

π=dC
pi equals Start Fraction d over upper C

C=πd
upper C equals Start Fraction pi over d End Fraction

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

A=πr2

Answer 1

The correct formula that describes the proportional relationship between the circumference of a circle (C) and the diameter (d) is:

C = πd

This means that the circumference (C) is equal to π times the diameter (d) of the circle.