shyannehatcher shyannehatcher
  • 16-12-2021
  • Mathematics
contestada


1. The length of a rectangle is seven more than the width. If the perimeter is 218cm, then find
the length and width

Respuesta :

lor067ewp lor067ewp
  • 16-12-2021

Answer:

width = 51;    length = 58

Step-by-step explanation:

Length = 7 + x

width = x

Perimeter = 2l  + 2h

218 = 2(7 + x) + 2(x)

218 = 14 + 2x + 2x

218 = 14 + 4x

204 = 4x

204/4 = 4/4x

 51 = x      width = 51;  length = 7 + x

                                    length = 7 + 51 = 58

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