Answer:
C. 196 cm²
Step-by-step explanation:
The lateral surface area of an object refers to the total surface area of the object excluding the top and bottom faces (bases).
For the given net, the triangular faces marked A and E are the bases of object. So the lateral surface area is the sum of areas B, C and D.
[tex]\begin{aligned}\textsf{Lateral Surface Area}&=\sf B+C+D\\&=\sf 70+56+70\\&=\sf 126+70\\&=\sf 196\; cm^2\end{aligned}[/tex]
Therefore, the lateral surface area of the given object is 196 cm².
