Question

Carlos is shopping for a cap. He knows that his head circumference is 22 inches. What size of cap should he buy to fit his head best?

Answer 1

Answer:

$7\ in$

Step-by-step explanation:

we know that

The circumference of a circle is equal to

$C=\pi D$

where

D is the diameter of the circle

In this problem we have

$C=22\ in$

substitute and solve for D

$22=(3.14156)D$

$D=22/(3.14156)=7\ in$