Respuesta :

sqdancefan

Answer:

  18 cm

Step-by-step explanation:

The perimeter of a rectangle is given by the formula ...

   P = 2(L +W)

Fill in the given information and solve for the width.

  90 = 2(27 +W)

  45 = 27 +W . . . . . divide by 2

  18 = W . . . . . . . . . subtract 27

The width of the rectangle is 18 cm.

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