If you mean in a 14x20 foot room, then it is 280 ft2. This is because to find area you multiply the length by the width, so 14x20 is 280.
13.93 square meters.
There is 121 square feet in a 11'x11' room.
13.39 square meters.
9*13 = 117 square feet
4 ft X 6 ft = 24 square feet.
60 square feet
108 square feet
13.93 square meters.
7.25 square metres.
165 square feet
0
A room measuring 20' x 20' = 400 square feet
The room is 144 square feet.
12' x 12' = 144 square feet.
144 square feet.
About 4.459 square meters.
There are 66 square feet.