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Ajutor, Va rog!triungh.mnp-isoscel
mp=np=130cm
mn=100cm
nq perpendicular pe mp
fe paralel cu nq
f mijl pq
pl=120
Smnp=6000cm2

nq = ???


Răspuns :

A mnp=6000
Amnp=130*NQ:2

130*NQ:2=6000
NQ=6000*2:130
NQ=92,30 cm