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Mathematics 15 Online
OpenStudy (anonymous):

In the figure below, where ▲PQR~▲DEF, and the measurements are given in inches. In inches, what is the perimeter of ▲DEF? 20 26.5 27.5 32.5 36

OpenStudy (anonymous):

OpenStudy (anonymous):

Set up ratios!! DE / 9 = 6.5 / 4 and FE / 7 = 6.5 / 4

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