§ Стр. 87
\[Страница\ 87.\]
\[\boxed{\mathbf{7}.}\]

\[= 2 \cdot (104 + 80 + 130) =\]
\[= 2 \cdot 314 = 628\ см^{2}.\]
\[Ответ:628\ см^{2}.\]
\[\boxed{\mathbf{8}.}\]

\[Страница\ 87.\]
\[\boxed{\mathbf{7}.}\]

\[= 2 \cdot (104 + 80 + 130) =\]
\[= 2 \cdot 314 = 628\ см^{2}.\]
\[Ответ:628\ см^{2}.\]
\[\boxed{\mathbf{8}.}\]
