Răspuns :
A = L * l => L = A / l = 32 cm^2 / 4 cm = 8 cm
P = 2L + 2l = 2 * 8 + 2 * 4= 16 + 8 = 24 cm
P = 2L + 2l = 2 * 8 + 2 * 4= 16 + 8 = 24 cm
A= L* l ; l=4cm
32= L*4
L =32/4 =8 cm
P =2L+2 l
P=2*8 +2*4
P =16+8 =24 cm
32= L*4
L =32/4 =8 cm
P =2L+2 l
P=2*8 +2*4
P =16+8 =24 cm