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March 1, 2015

Posted by **takeidra** on Thursday, November 3, 2011 at 11:01pm.

- algebra 2 -
**Kelsey**, Thursday, November 3, 2011 at 11:05pm49=x+(x+9)+(x+4)

49=3x+13

36=3x

12+x

so one side is 12cm, on is 16cm and one is 21cm

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