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?

math  PsyDAG, Sunday, May 23, 2010 at 11:52am
Yes, you are right!

math  Anonymous, Monday, January 17, 2011 at 5:38pm
need help with math
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