SOLUTION: A rectangular field has an area 28800 sq meter it's length is twice as long as it's width what is the length of it's sides?

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Question 1030943: A rectangular field has an area 28800 sq meter it's length is twice as long as it's width what is the length of it's sides?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Area of a rectangle is
A = LW.
Now we also know that L = 2W, so plug that in and we get
A = 28800 = (2W)W = 2W^2
W^2 = 14400
W = 120 m and
L = 240 m