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2014-08-04T21:10:45+03:00
ΔABC  ≈ ΔMNP  =>TFa

MN/AB=NP/BC=MP/AC=k

k=2/3

A ΔMNP/A ΔABC=k²  =(2/3)²=4/9
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2014-08-04T21:44:48+03:00

Raportul ariilor = (2/3)² = 2² / 3² = 4 / 9


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