Obecný trojúhelník CBD je zadán podle věty usu (chybějící úhly lze snadno dopočíst)
Vypočteme sinovou větou jeho nejdelší stranu, která je zároveň přeponou pravoúhlého trojúhelníka ABC.
Z pravoúhlého trojúhelníka vypočteme výšku kopce pomocí funkce sinus.
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