Answer:
Option 2nd is correct
B is the area of the base
Step-by-step explanation:
Surface Area(SA) of a triangular prism is given by:
where,
B is the base area
P is the base perimeter
h is the length of prism.
As per the statement:
The equation SA = 2B + Ph represents the surface area of a triangular prism.
from the above definition we have;
⇒B is the area of the base
Therefore, the following describes the meaning of B is, B is the area of the base