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Old December 3rd, 2008, 02:33 AM
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Quote:
Originally Posted by mathmom View Post
thank you.. I guess I need a little more help, cause I have that info, I am not sure how to do that part though.

I have the area at 10 ft ^2
so how do I figure the circumference with that? I guess first figure out the radius? and how do I do that?

thank you so much! really.. sorry for needing more help... hope you can help me!
Solve 10 = \pi r^2 for r: r^2 = \frac{10}{\pi} \Rightarrow r = \, ....

Then substitute the value for r into C = 2 \pi r.
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