Respuesta :

Answer:


Step-by-step explanation:

The answer is 33cm.

width: x   length: 6+x

x+x+6=72 ==>

2x+6=72 ==>

2x=72-6 ==>

2x=66 ==>

x=66/2 ==>

x=33.

width=33    33+6=39 >length

33+39=72>perimeter


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