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OpenStudy (bbb911):
This is Geometry: Suppose ^ABC ~ ^GHI with scale factor 3:5, AB = 9, BC = 18, and AC = 21. Find the perimeter of ^ GHI.
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OpenStudy (anonymous):
pri of ABC=9+18+21=48 so GHI= 48*5/3=80
OpenStudy (bbb911):
:D
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