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frew@mclean.com ttunit3bday1 > rectangleArea
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Return the area of the rectangle with the given length and width


rectangleArea(1.5, 2) → 3.0
rectangleArea(7.3, 1.2) → 8.76
rectangleArea(5, 4) → 20.0

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public double rectangleArea(double length, double width) { }

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