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Geometry and Trigonometry / Area and volume Difficulty: Easy

The area of a rectangle is $57$ square inches. The length of the longest side of the rectangle is $19$ inches. What is the length, in inches, of the shortest side of this rectangle?

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Explanation

The correct answer is $3$ . The area of a rectangle can be calculated by multiplying the length of its longest side by the length of its shortest side. It’s given that the area of the rectangle is $57$ square inches and the length of the longest side of the rectangle is $19$ inches. Let $x$ represent the length, in inches, of the shortest side of this rectangle. It follows that $57 equals 19 x$ . Dividing both sides of this equation by $19$ yields $3 equals x$ . Therefore, the length, in inches, of the shortest side of the rectangle is $3$ .