AB*AC=2*24 => AB*AC=48
AB²+AC²=100
notam AB=x, AC=y
Avem
x*y=48 => x=48/y
x²+y²=100 => 48²/y² + y² =100
Notam y²=z
48²+z²=100z => z²-100z+2304=0
Δ=100*100-4*2304 => Δ=10000-9216 => Δ=784 = 28²
z1=100+28/2 => z=64 => y=8 => x=48/8 => x=6
z2=100-28/2 => z=36 => y=6 => x=48/6 => x=8
Deci perimetru = 6+8+10 = 24 cm
