A circle has a diameter of 4 in. What is the Radius and Circumference

Question

asked Apr 21, 2023 81.3k views

2 Answers

Cherrelle · Answer 1 · 2023-04-25T15:46:13+0000

Answer:

see below

Explanation:

The radius is 1/2 of the diameter

r = 1/2 d

r = 1/2(4) = 2 inches

The circumference is given by

C = 2 * pi * r

C = 2 * pi * 2

C = 4 pi inches

Using 3.14 as an approximation for pi

C = 12.56 inches