gus81646

Your answer will always be estimated. For an exact answer, you'd have to right down the value of the denominatior and pi. Pretend the symbol of pi=x for a second, and your diameter is 8. An exact answer would be 8x but your teacher probably wants you to just multiply it by 3.14.

Also http://pi.ytmnd.com/

Or just use a calculator's Pi function.

Still doesn't give an "exact" answer. Finding an exact answer when there's Pi just means I ignore it :P

Eh.

Pi goes on forever.
And ever.
And ever.
I love it.

thank you all that realy halped and by the way i'm in 5th grade