Ответ:

\[2)\ B( - 4;4).\]
\[3)\ E( - 1;1).\]
\[4)\ S = 6 \cdot 6 = 36\ см^{2}.\]
\[P = 2 \cdot (6 + 6) = 2 \cdot 12 = 24\ см.\ \]

\[2)\ B( - 4;4).\]
\[3)\ E( - 1;1).\]
\[4)\ S = 6 \cdot 6 = 36\ см^{2}.\]
\[P = 2 \cdot (6 + 6) = 2 \cdot 12 = 24\ см.\ \]