You have only one equation [ A = ( L ) ( W ) ] and two unknowns [ L and W ]. You need one more equation to find L and W. The other equation might be the Perimeter equation [ P = 2L + 2W ] or
ratio of length to width [ L/W or W/L ].
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For a rectangle or square, Area = Length * Width So Length = Area / Width.
the length of a rectangle is 8 more than the width. the area os 345 centimeters. find the length and width of the rectangle
Area of rectangle divided by its length = width of rectangle
you need length and width length multiply width = area length + length + width + width = perimeter
Divide the area by the width and it will give you the length.