Răspuns :
H CORESPUNZATOARE>A H^2=AC^2-BC/2)^2=225-144=81 H=9CM
ARIA ABC=BC*H/2=108cm^2=AB*H1/2=15*H1/2 H1=216/15=14,4cm
ARIA ABC=BC*H/2=108cm^2=AB*H1/2=15*H1/2 H1=216/15=14,4cm