SOLUTION: If we have a rectangular garden 75 m squared and its perimeter of his garden is 40 m how can we calculate the dimensions?

Question 914341: If we have a rectangular garden 75 m squared and its perimeter of his garden is 40 m how can we calculate the dimensions?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

     .

A = Lw = 75m^2

L = 75/w

L + w = 20m



75 + w^2 = 20w

w^2 - 20w + 75 = 0

(w-15)(w-5) = 0

w = 15  0r w = 5

Dimensions are 5m by 15m 

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