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January 25, 2015

January 25, 2015

Posted by **tyyyyyy** on Friday, May 27, 2011 at 2:46pm.

- algebra 1 -
**drwls**, Friday, May 27, 2011 at 3:30pmLet the first side length be A, etc.

A + B + C = 72

B = 2A

C = B-4

B/2 + B + (B -4) = 2.5 B -4 = 72

2.5 B = 76

B = 30.4

A = 15.2 is the first side length

C = 26.4

--------

Sum = 72, as required

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