what is the total surface area in square meters of a rectangular solid whose length is 10 meters , width is 9 meters , and depth is 6 meters ?
"surface area of a cuboid = 2 ( lb + bh + lh ) = 2 ( 10 * 9 + 9 * 6 + 10 * 6 ) = 2 ( 90 + 54 + 60 ) = 2 * 204 = 408 m 2 answer : c"
surface_rectangular_prism(9, 10, 6)