Respuesta :

Medunno13

Answer:

s+6+s+6+s+s+2s=102, s=18

Step-by-step explanation:

The perimeter is the sum of the side lengths, so

the equation is s+6+s+6+s+s+2s=102.

[tex]5s+12=102 \\ \\ 5s=90 \\ \\ s=18[/tex]

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