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.
165 square feet
7.25 square metres.
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.
288 square feet.