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geometry · regional · difficulty 7-101 of 651easiest first

1RegionalGeometrySerbia 2024A point \(D\) is chosen on the side \(BC\) of a triangle \(ABC\). Points \(E\) and \(F\), both different from \(D\), are chosen on the line \(BC\) so that \[ BE = BD \qquad \text{and} \qquad CF = CD . \] …Open

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