Question

The radius of a circle is 18.4 inches. the circle's circumference is about ___ inches.

use 3.14 for pi
​

Answer 1

115.552 or 116 inches.

Explanation:

Use the circumference of a circle formula which is C= 2piR. Where C is circumference and R is radius. So you get C=2(3.14×18.4) which gives you 115.552.