geometry
posted by Betty .
what is the surface area measurments of a room is the height is 10ft.3in, width is 12ft.6in and the length is 12ft. 3in

You'll need to find the surface area of the four walls, ceiling, and floor.
Two walls: 2(10'3" * 12'6") or 2(10.25 * 12.5)
Two walls: 2(10'3" * 12'3") or 2(10.25 * 12.25)
Floor and ceiling: 2(12'6" * 12'3") or 2(10.5 * 12.25)