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Linii importante

TermDefinition
mediană Segmentul ce uneste un varf al triunghiului cu mijlocul laturii opuse
înălțime perpendiculara din varful triunghiului pe latura opusă
bisectoare semidreapta situată în interiorul unui unghi ,cu originea în vârful unghiului și care împarte unghiul în doua unghiuri congruente
mediatoare perpendiculara pe mijlocul segmentului
linie mijlocie într-un triunghi segmentul ce unește mijloacele a două laturi ale unui triunghi
G-centrul de greutate punctul de intersecție al medianelor unui triunghi
H- ortocentrul punctul de intersecție al înălțimilor unui triunghi
I - centrul cercului înscris în triunghi punctul de intersecție al bisectoarelor unghiurilor unui triunghi
O -centrul cercului circumscris unui triunghi punctul de intersecție al mediatoarelor laturilor unui triunghi
Created by: Cerchez_Irinel
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