There is 121 square feet in a 11'x11' room.
A 30ft x 14ft room = 420 square feet.
99 square feet !
228 square feet
361 square feet.
12x16/13
You have to multiply the two dimensions to get the area. In this case the answer will be 192 square feet. Divide by 9 to get 21.33 square yards.
400 square feet.
525 square feet.
252 square feet.
240 square feet
300 square feet.
162 square feet.
120 square feet.
16' x 15' = 240 square feet.
A simple rectangular room 20 feet by 18 feet has 360 square feet.
A room that is 12 feet by 13 feet is 156 square feet in area