what is the surface area of the Triangular prism? Pls answer ASAP I WILL GIVE BRAINLIEAST.

Answer:
170cm²
Step-by-step explanation:
so the middle rectangle part first
15x10=150
then there's triangles so i'm gonna skip the divided by 2 part.
5x4=20
150+20=170
Solution:
Note that:
Finding the area of triangle:
Finding the area of rectangle:
Using the formula of surface area: