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January 30, 2015

January 30, 2015

Posted by **marie** on Sunday, August 29, 2010 at 2:50am.

- math -
**drwls**, Sunday, August 29, 2010 at 8:17am121 cm^2 = (11 cm) ^2

The original smaller square, 7 cm less, must have had a 4 cm side length.

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