hi how r u

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hi how r u

Guest May 8, 2014

+3

Best Answer

$$r*U = r*(2*\pi *r)=2*\pi*r^2=2*(\pi*r^2)=2*A\quad \quad U=2\pi r$$

$$\boxed{rU=2A}$$

Guest May 8, 2014

Guest · Answer 1 · 2014-05-08T02:08:57

$$r*U = r*(2*\pi *r)=2*\pi*r^2=2*(\pi*r^2)=2*A\quad \quad U=2\pi r$$

$$\boxed{rU=2A}$$

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GoldenLeaf · Answer 2 · 2014-05-08T01:46:47

Well, I just woke up and I have a hands-on test in Biology in a little over an hour, so right now I'm kinda out of it.

Guest · Answer 3 · 2014-05-08T07:41:38

not the greatest... i have to take a test tomorrow (Friday) in math and english.