The lateral surface area will be the addition of the 3 rectangles in the figure so we can calculate each one:
[tex]\begin{gathered} A_1=12.2\cdot7.04=85.888 \\ A_2=12.2\cdot7.04=85.888 \\ A_3=12.2\cdot10=122 \end{gathered}[/tex]
Now we add the areas so:
[tex]85.888+85.888+122=293.776[/tex]
So we can aproximate the answer to:
[tex]293.7\approx288[/tex]
So the answer is A)
