Question

Find the surface area of this figure

Answer 1

Answer:

6ft x 8ft x 5ft =240ft

Is this what your asking for?.

Answer 2

It's a rectangular parallelepiped, also known as a box.  It has three pairs of congrurent rectangular faces, so adding them all up,

Area = 2 × (8×6 + 5×6 + 8×5) = 236 sq ft

Answer: 236 sq ft