\[a = 6\ см;\ \ b = 2\ см;\]
\[S = a \cdot b = 6 \cdot 2 = 12\ см^{2}.\]
\[P = 2 \cdot (a + b) = 2 \cdot (6 + 2) =\]
\[= 2 \cdot 8 = 16\ см.\]