Respuesta :

Answer:

w=width

l= 2w-4

perimeter of a rectangle = 34

34 = 2(2w-4+w)

34 = 4w-8+2w

34 = 6w-8

6w = 34+8

6w = 42

w = 42/6

width = 7

length = 2w-4

          = 2(7)-4

          = 14-4

          = 10

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