Question

1. C = 2(pi)r and C = d(pi) are the formulas for finding the _____________ of a circle.

Answer 1

Circumference

Explanation:

The circumference is the distance around the circle. It relates the number of times the diameter will encircle the circumference as 3.14 or π. As a result, the formulas for the circumference of a circle are C = 2πr and C = πd.