15 PUNCTEEEEEEEE


IPOTEZA : ΔABC
AD perpendicular BC ( AD inaltime )
AD ∈ BC
BD=6 CM
CD=9 CM
a) m (B) = 45 grade
m (C)= 30 grade
b ) m ( B) =60 grade
m ( C ) = 45 grade
CONCLUZIE : PERIMETRUL Δ ABC

PROBLEMA CU SINUS , COSINUS ,ETC.