Respuesta :

iciclepiano18

Answer:

19 cm

Step-by-step explanation:

Let x be the length

The width would be x+11 since it's 11 cm longer

Perimeter = 2(length+width)

54 = 2(x+x+11)

54 = 2(2x+11)

54 = 4x+22

4x = 32

x = 8

Width = x+11

Width = 8+11

Width = 19

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