Answer:
,

Explanation:
Part 1) Find the lateral area of the given prism
we know that
The lateral area of the prism is equal to

where
P is the perimeter of the triangular base
L is the length of the prism
Find the perimeter P

we have

substitute

Part 2) Find the surface area of the given prism
we know that
The surface area of the prism is equal to

where
B is the area of the triangular base
LA is the lateral area of the prism
Find the area B

we have

substitute
