Respuesta :

The answer is D. C ÷ d = π, where C is circumference and d is diameter.

gmany

Answer:

D. circumference to diameter

Step-by-step explanation:

[tex]\text{The formula of a circumference of a circle:}\ C=d\pi\\\\d-diameter\\\\d\pi=C\qquad\text{divide both sides by}\ d\\\\\pi=\dfrac{C}{d}[/tex]