30 x 141/2 = 435 square feet on the floor, another 435 on the ceiling,
and (89 x height of the room) square feet on the walls.
186.83 square feet.
Approximately 168.056 square feet.
137.8 square feet.
135.82 square feet
238.6 square feet.
Approximately 110.24 square feet.
14,976 square inches.
That depends on the length and width of the room - there are many different rectangles that have the same surface, in this case, 100 square feet. 100 square feet = 14,400 square inches
Approximately 196.1 square feet.
12 feet x 16 feet = 27,648 square inches
215.3 square feet for this room.
115.5 square feet.