21*19 = 399 square feet.
270 Square Feet.
72
A room that measures 12 x 12 is 144 sq ft.
261.25 square feet on the floor. 261.25 square feet on the ceiling. (65.5 x height of the room) square feet on the four walls.
208 square feet.
A rectangle that measures 19-ft by 11-ft has an areaof 209 square feet = 19.42 square meters (rounded)
228 square feet
There are: 25*19 = 475 square feet
A 20' by 14' room measures 31.1 square yards.
200 square feet.
182 square feet.
201.6 square feet.
270 Square Feet.
90
72
A room that measures 12 x 12 is 144 sq ft.
261.25 square feet on the floor. 261.25 square feet on the ceiling. (65.5 x height of the room) square feet on the four walls.