Answer:
290in^2
Explanation:
Find the surface area of each side and add them together
5 x 12 = 60
multiply by 4 because there are 4 sides with this same area
60 x 4 = 240
5 x 5 = 25
multiply by 2 because there are 2 sides with this same area
25 x 2 = 50
add the sides together
50 + 240 = 290in^2