В четырёхугольник ABCD вписана окружность. AB = 23 ,BC = 9 ,CD = 13 .Найдите четвертую сторону
Огэ, Егэ.В четырёхугольник ABCD вписана окружность. AB = 23 ,BC = 9 ,CD = 13 .Найдите четвертую сторону четырехугольника
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