Respuesta :

Answer:

12 inches

Step-by-step explanation:

Because surface area is like a box,it would be the top.

Answer:

A ≈ 374.81  

Step-by-step explanation:

SA = bh + (s1 + s2 + s3)H is the formula for SA of a triangular prism. if you plug in all of the digets thats what you get.