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Задача 62:

Четырехугольник ABCD вписан в окружность с центром O. Лучи BA и CD пересекаются в точке E, а лучи AD и BC в точке F. Оказалось, что ED = FD. Докажите, что инцентры треугольников ADE и CDF равноудалены от O



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Задача 62:

Четырехугольник ABCD вписан в окружность с центром O. Лучи BA и CD пересекаются в точке E, а лучи AD и BC в точке F. Оказалось, что ED = FD. Докажите, что инцентры треугольников ADE и CDF равноудалены от O

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