Problem: the total surface area of a cuboid length 12 m , breadth 10 m and height 8 m .
Rationale: total surface area of cuboid = 2 ( lb + bh + lh ) = 2 ( 120 + 80 + 96 ) = 2 ( 296 ) = > 596 m ( power 2 ) answer is c .
annotated_formula: surface_rectangular_prism(12, 10, 8)