Answer:
Surface area of prism is 382.5 sq. in.
Explanation:
Total Surface area of prism = Sum of area of all faces
So, Area of triangle ABC =

Area of triangle ABC =

Area of triangle ABC =

Area of triangle DEF = Area of triangle ABC =45 sq. in.
Area of rectangular base ACED=

Area of ABFD =

Area of CBFE=

Total Surface area of prism = Sum of area of all faces =45+45+121.5+81+90=382.5 sq. in.
Hence Surface area of prism is 382.5 sq. in.