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Wednesday, 24 december 2008 |
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A new geometry problem |
Proposed by
ucigasa |
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(19 comments) | 17.647 times displayed |
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Se da un cerc care este circumscris unui triunghi echilateral si inscris in alt triunghi echilateral (ca in figura). Se cere sa se calculeze raportul dintre ariile celor 2 triunghiuri echilaterale. Justificati. |
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 Raportul este 1:4 Vezi figura obtinuta prin rotire. |
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Tags:
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geometry,
triangle
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