Question

2 QUESTIONS

You don't need to answer both of them, but please include answer + explanation for at least one of them

Answer 1

bh + L(S1 + S2 + h)

Explanation:

b stands for the bottom edge of the base triangle

h is the height of the base triangle

L is the length of the prism

S1 and S2 are the two edges of the base triangle

bh is the combined area of the two triangular faces

L(S1 + S2 + h) is the area of the three rectangular side faces