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Find dimensions of rectangle given area and sides ratio?
How do you find dimensions of a rectangle if you are given the area (135) and the sides are in a 3 to 5 ratio?
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- Seamus OLv 71 decade agoFavorite Answer
Area = L x W
Let length = 5x
and let width = 3x
5x * 3x = 135
15x^2 = 135
x^2 = 9
x = 3 [Take the positive answer only coz length is positive]
So dimensions of the rectangle are:
Length = 5 * 3 = 15
Width = 3 * 3 = 9
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