Find the exact area of a circle having the given circumference.

8pi

Question

Find the exact area of a circle having the given circumference.

8pi

bahrom7893 · Answer

Terri u asked at least 15 of these..
C = 2*pi*r
A = pi*r^2

bahrom7893 · Answer

2*pi*r = 8pi
so r = 4
now plug that into the A formula

bahrom7893 · Answer

what do u get?

anonymous · Answer

25.15

bahrom7893 · Answer

Without a calculator, it says find the exact area, write out how you would substitute, please.

bahrom7893 · Answer

A = pi*r^2
r = 4 come on, think..

bahrom7893 · Answer

TERRI! Hello??

anonymous · Answer

Not 15, more like 50...

anonymous · Answer

stop treating me like im stupid i need hel its nt my fault that i suck at geometry but if u dnt wanna hep and keepmocking me abt how many questions ipost thenim delting this account

bahrom7893 · Answer

What did I say wrong? I said i've helped u with plenty of these, time u tried one on your own. I can make an excuse that i'm stupid in like chemistry and not do my work..

anonymous · Answer

That's up to u, it would be nice to see u make some progress...

I saw u posted a slightly more interesting question which I answered fully without making any fun of you.

But unless u have these basics down u will never be able to answer such questions by yourself.