/ inaltimi 5 Fie triunghiul ABC cu vârfurile A#A, B#B şi C#C şi notăm cu H ortocentrul triunghiului.

Să se scrie ecuaţia înălţimii AH {#1}, ecuaţia înălţimii BH {#2} şi ecuaţia înălţimii CH{#3}

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