a) P patrat = 4l= 4*4=16 cm
Arie patrat= [tex] l^{2} [/tex] = [tex] 4^{2} [/tex] = [tex] 16cm^{2} [/tex]
b) P dreptunghi = 2(L+l) = 2(4+3) = 2*7 =14 cm
A dreptunghi= L*l = 4*3 = [tex] 12cm^{2} [/tex]
c) latimea = 2 cm
P = 2(L+l) = 2 (4+2) = 2*6 = 12cm
A = L*l = 4*2 = [tex] 8cm^{2} [/tex]
