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February 28, 2015

February 28, 2015

Posted by **eliza** on Tuesday, August 30, 2011 at 1:55am.

- math -
**Kevin**, Tuesday, August 30, 2011 at 2:04amArea equals length times width. A square has equal length sides so the answer is a number times itself that comes out to 400. 20 x 20 = 400. The length of each side is 20cm.

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