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August 5, 2015

Homework Help: math

Posted by joshuah on Sunday, May 23, 2010 at 10:52am.

find area of cirle 3.9cm radius to nearest tenth?

a=pie 3.14 x r squared
3.14 x 3.9(15.21)
3.14 x15.21 =47.75
nearest tenth =47.8cm squared
is this the correct answer?

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