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OpenStudy (anonymous):
the ratio of the lengths of the corresponding sides of two rectangles is 8:3. The area of the larger rectangle is 320 ft2. What is the area of the smaller rectangle?
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Directrix (directrix):
If two polygons are similar, the square of the scale factor of the two polygons is equal to the ratio of any two corresponding area measurements of the polygons.
Directrix (directrix):
(8/3)² = 320/A where A is the area of the smaller polygon 64/9 = 320/A Solve for A.
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