Can sombody confirm me the formula for sa(surface area) of a triangular prism.

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

15 point ! ~ see if you know the answer to both you!

Need on this geometry question. explain how you did it.