A rectangle with a diagonal of length is twice as long as it is wide. What is the area of the rectangle in terms of ?
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Originally Posted by sri340 A rectangle with a diagonal of length is twice as long as it is wide. What is the area of the rectangle in terms of ? Let a denote the width, then 2a denote the length. Calculate the length of the diagonal using Pythagorean theorem: The area of the rectangle is: Transform the first equation such that the RHS equals
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