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January 26, 2015

January 26, 2015

Posted by **cody gilliam** on Thursday, March 31, 2011 at 5:37pm.

- math 8th grade -
**PsyDAG**, Friday, April 1, 2011 at 2:38pmI assume you mean "the others." A pentagon has 5 sides.

4s + s + 3 = 128

5s + 3 = 128

Subtract 3 from both sides.

5s = 125

Divide both sides by 5.

s = 25

s + 3 = ?

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