Neocijenjeno
Feb. 25, 2024, 7:57 p.m. (2 years, 6 months)

U trokutu ABC točka M je polovište stranice \overline{AB}, a točka D sjecište stranice \overline{AC} i simetrale kuta \measuredangle ABC. Ako je \measuredangle MDB=90^\circ, dokaži da vrijedi |AB|=3|BC|.

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