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In a rectangle with an area of 40 square inches the length is two less than three times the width what is the length?
Wiki User
∙ 14y ago
L = 3W - 2 Area = length x width = (3W - 2) x (W) = 3W2 - 2W = 40 3W2 - 2W - 40 = 0 W = [ 2 +/- sqrt(4 + 480) ] / 6 W = (1/3) +/- (1/6) sqrt(484) W = (1/3) +/- (1/6) (22) = (1/3) +/- (11/3) W = 4 and W = neg. 3-2/3 L = 3W - 2 = 10
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∙ 14y ago
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