[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
Let's calculate its surface area ~
[tex] \sf SA = Area (2 × \triangle) + Area ( three \: \square)[/tex]
[tex] \sf SA =(2 \cdot \dfrac{1}{2} \cdot8 \cdot6 ) + (7 \cdot10) + (7 \cdot 8) + (7 \cdot6)[/tex]
[tex] \sf SA =(48 ) + (7 0) + (56) + (42)[/tex]
[tex] \sf SA =216 \: m {}^{2} [/tex]
