iiperson iiperson
  • 10-02-2017
  • Mathematics
contestada

A pool was originally a square. The pools length is being increased by 4 feet to make pools new area be 480 square feet. What was the area of the original square pool?

Respuesta :

andriansp andriansp
  • 15-02-2017
Area of a square = Length ^2

480    =   (x+4)^2

√480 = x + 4

21.9     = x  + 4

x          = 17.9


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