Thursday
December 18, 2014

Homework Help: Math

Posted by sarah on Friday, June 28, 2013 at 10:58am.

Find the area of a circle whose circumference measures 100 cm.

Area (to the nearest square centimeter) = cm2

I plugged in everything C = 2 r
C=2x3.14x100= 628 <<< The computer said it was WRONG !
Then, I tried C= 2X3.14X50= 314 !!!

If I am wrong can you EXPLAIN to me what I am doing wrong.

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