Question

Which f o r m u l a correctly describes the p r o p o r t i o n a l relationship between the c i r c u m f e r e n c e of a circle and the need a c equals see it's equity over c or D a equal x ²

Answer 1

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

C = π * d

This relationship states that the circumference of a circle is equal to π times the diameter of the circle.