Digital SAT Math Practice Question #1640
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Area ratio is side ratio SQUARED: (5/3)^2 = 25/9. 36 * (25/9) = 100.
When two triangles are similar with linear scale factor \(k = \frac{5}{3}\), their areas scale by \(k^2 = \left(\frac{5}{3}\right)^2 = \frac{25}{9}\). Therefore, Area(DEF) = \(36 \times \frac{25}{9} = 4 \times 25 = 100\)....
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