BN=NC ,=> AN mediana in ABC. Stim ca mediana imparte triunghiul in 2 triunghiuri echivalente. Aria ANB = Aria ANC = Aria ABC / 2 =144/2=72
NP=PC => AP mediana in ANC => Aria ANP = Aria APC= Aria ANC/2 =
= 72/2=36
AQ=QC => PQ mediana in APC => Aria APQ = Aria APC/2=36/2=18