MathDB
Area of a Rectangle

Source:

March 3, 2010
geometryrectangleratio

Problem Statement

Given rectangle R1 R_1 with one side 2 2 inches and area 12 12 square inches. Rectangle R2 R_2 with diagonal 15 15 inches is similar to R1. R_1. Expressed in square inches the area of R2 R_2 is: <spanclass=′latex−bold′>(A)</span> 92<spanclass=′latex−bold′>(B)</span> 36<spanclass=′latex−bold′>(C)</span> 1352<spanclass=′latex−bold′>(D)</span> 910<spanclass=′latex−bold′>(E)</span> 27104 <span class='latex-bold'>(A)</span>\ \frac92 \qquad <span class='latex-bold'>(B)</span>\ 36 \qquad <span class='latex-bold'>(C)</span>\ \frac{135}{2} \qquad <span class='latex-bold'>(D)</span>\ 9 \sqrt{10} \qquad <span class='latex-bold'>(E)</span>\ \frac{27 \sqrt{10}}{4}
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