Answer :

surojitbarman6216

Answer:

Base of rectangle: 4×6=24

Back side of rectangle : 4×√6²+8²=4×√100=4×10=40

Front side of rectangle : 8×4 =32

two side of triangle : 2×(6+8)/2=48

Total area of triangular prism : 24+40+32+48= 144 ft²