Respuesta :

Answer:

62 in^2

Step-by-step explanation:

When finding the surface area of a trianglular prism, we can use the formula  :  ( S1 + S2 + S3 ) * l + bh.

Now, we simply plug in the values :

( 2.5 +2.5 + 3 ) * 7 + 6

( 8 ) * 7 + 6

56 + 6

62