Question

What is the exact area of a circle with a diameter of 15 inches?

Answer 1

do you know the formula for the area of a circle...?

Answer 2

nope

Answer 3

Formula is pi times radius squared, it would become 176.625

Answer 4

ok... here is a good site that will help you

http://www.mathopenref.com/

use this to help gain an understanding of some maths concepts

Answer 5

Do I multiply 176.625 into 15?

Answer 6

lol.... wow... go and please read about some of the ideas you are asking about...

Answer 7

Can you go over with me step by step?

Answer 8

nope.... best method is to go and read then ask about what you don't understand.. good luck

Answer 9

Circumference is 2(pi)(r).
r=(1/2)d=7.5
Now plug it in.
C=(2)(7.5)pi=15pi=47.123889