If the perimeter is 102, how long is the longest side ?

6a+8; 12a; 10a -4 ; 6a+8
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6a+8+12a+10a-4+6a+8=102, 34a+12=102, 34a=90, a=90/34=45/17.

The longest side is 12a=540/17.
by Top Rated User (1.2m points)

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