SOLUTION: How do you find the area of a rectangle having only the width and the diagonal?

SOLUTION: How do you find the area of a rectangle having only the width and the diagonal?

Algebra.Com

Question 300350: How do you find the area of a rectangle having only the width and the diagonal?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The width (W), length (L), and diagonal (D) form a right triangle which follows the Pythagorean theorem.

From that, then the area of a rectangle is

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