👤
David2034
a fost răspuns

In tringhiul isoscel MNP (MN=MP), MN=18cm si NQ mediana (Q apartine (MP)). Daca R apartine (MN) si T apartine (MP) astfel incat MR=6cm si MT=3cm, aratati ca RT||NQ

Răspuns :

Albatran
MR/MN=6/18=1/3
NQ mediana, MQ=QP=8:2=9
MT/MQ=3/9=1/3
MR/MN=MT/MQ⇒(reciproca Teo Thales) RT||NQ, cerinta