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VA ROGGGG URGENT !!!!!!cine ma ajuta DAU CORONITA +MULTUMESC LA PROFIL +20 P.
in triunghiul ABC,se considera punctele D ∈(AB) siE∈(ac) ,ASTFEL INCAT DEparalel cu EC

a)daca DE=12 cm ,AB=20 cm ,BC=15 cm si AC=30 cm,calculati AD,DB,AE,EC
b) daca AB=16cm, AD=20cm AC=24,AE=18,CALCULATI AD, DB,EC,DE
C) DACA ac =6,AD=7,AE=14S DE =7,calculati EC,DB,AB.BC
D) DACA ab=10,ad=6,ae=9 si bc=18,calculati DB,EC,AC,DE


PESTE TOT SUNT CENTIMERI