20.07 square meters
Length = 252/18 = 14 feet
12' x 18' = 216 square feet.
Assuming the room is rectangular, the room is 18 x 10 = 180 square feet (180 ft2).
18 square feet = 1.67225472 square metres
There are 36 square yards in a room 18 feet by 18 feet
18 x 18 = 324 square feet
An example: A room 24 feet by 18 feet is 24 x 18 = 432 square feet.
18 x 12 = 216 square feet.
360 square feet.
234 square feet.
18 X 19 = 342 Square Feet
A simple rectangular room 20 feet by 18 feet has 360 square feet.
36 square yards.
432 square feet.
11 feet*18 feet = 198 square feet.
360.