48.) BD=DC=BC supra 2= 16 supra 2 = 8
AB patrat=BD patrat+DApatrat
AB patrat= 3 patrat+2 patrat
AB patrat= n patrat +6 patrat=AB patrat=6+4+36=AB=radical 100
AB=10 cm
AC=10 cm
A bac=BC*AD supra 2 = 16*6 supra 2=8*6 supra 1(prin simplificarea cu 16 cu 2)=48 cm patrat
Abac=Aabc=48=5*BE=BE=48/5=BE=9,6
CF=9,6
6+9,3+9,3= 25,2cm
