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POLYGONS ABCD & EFGH ARE SIMILAR. WHAT IS THE PERIMETER OF EFGH WHEN AD = 12, BC = 8, FE = 15, FG = 10, and GH = 5?
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POLYGONS ABCD & EFGH ARE SIMILAR. WHAT IS THE PERIMETER OF EFGH WHEN AD = 12, BC = 8, FE = 15, FG = 10, and GH = 5?

User Hyejin
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since two polygons are similar, the scale factor is FG/BC = 10/8 = 5/4

Which means that the same scale factors applies to other sides as well. Therefore, EH/AD = 5/4
EH = 5/4 * AD = 5/4 *12 = x

Hope this helps
User Mannaggia
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User Ptrin
asked Nov 20, 2017 30.2k views
Polygons ABCD & EFGH are similar. What is the perimeter of EFGH when AD = 12, BC = 8, FE = 15, FG = 10, and GH = 5?
Ptrin asked Nov 20, 2017
by Ptrin
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