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|dw:1326924368144:dw|

A=Pi * r^2

the picture wasnt given by the way...
i drew it myself

|dw:1326924766289:dw|

continue please

Yes, this is not as hard as you think.

yeah, i know. i dont seem to be getting the right answer though.

ok i made one mistake

let me retype the question

Which circular ring is 90? The big one or little one?

the prob doesnt say but i am assuming its the while circle (little one included)

|dw:1326927820335:dw|

all of that is 90

i think

*whole circle

A = pir^2
90 = pir^2
90/pi = r^2
sqrt(90/pi) = r
see if you get r = 10 from that. I doubt it

i know

thats why im confusded.

*confused

but thats the problem.

Well, if it's that bad, don't do the problem.

It's clearly ambiguous

Is this problem on your computer or in your book?

hw site

try this link

how do i do that?

hold on. im gonna use excel 2010.

Excel? What's that gonna do?

does it work?

excel has a screenshot option

Okay, I understand now.

Hold on a sec.

show me how u got that please

vyew?

huh?

Funny, everyone knows what twiddla is, but no one knows what vyew is

idk either lol

http://vyew.com/room#/418625/Open_Study

Mario, where are you?

Hero I need help putting in a prob into my hw site... its the latest one i posted