Which formula correctly describes the proportional relationship between the circumference of a circle and the diameter?(1 point) Responses A=πr2 upper A equals pi r squared C=πd upper C equals Start Fraction pi over d End Fraction π=dC pi equals Start Fraction d over upper C Cd=π.

Please.

1 answer

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

\[ C = \pi d \]

So, the correct response from your options is:

C = πd