question_answer

Anshu wants to find the distance her unicycle moves on the side walk when the tyre makes one \[360{}^\circ \]rotation. Which of the following best describes the distance in one \[360{}^\circ \] rotation?

A)  The area of the tyre

B)  The radius of the tyre

C)  The diameter of the tyre

D)  The circumference of the tyre