use the formula lw=area which means length times with equals area, so 18 times 18 is 324 and thats square feet so its 324 feet squared is your answer
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 ft X 20 ft = 360 Square feet
45 x 18 square feet
18 x 12 = 216 square feet.
A simple rectangular room 20 feet by 18 feet has 360 square feet.
234 square feet.
360 square feet.
18 X 19 = 342 Square Feet
36 square yards.
11 feet*18 feet = 198 square feet.