Find the surface area of the prism. Write your answer as a decimal.
13.5 in.
9 in.
9 in
10 in.

Answer:
360 in²
Step-by-step explanation:
Total SA = 2 triangles + 3 squares
Triangles:
A = bh/2
A = (9 · 10)/2
A = 90/2
45 in²
Squares:
A = bh
A = (9)(10)
90 in²
Total SA: 2(45) + 3(90)
Total SA: 360 in²
I hope this helps!