33 square feet (11 x 3 = 33).
21 x 11 = 231 -- There are 231 square feet on the floor. -- There are 231 square feet on the ceiling. -- There are a lot more square feet on the walls, but in order to calculate them, you need to know the height of the room.
Floor . . . 18.7 x 11 = 205.7 square feet Ceiling . . . same as floor Walls . . . need the height of the room in order to calculate these
The floor and the ceiling are each (17 x 11) = 187 square feet Two walls are (17 x height) square feet. The other two walls are (11 x height) square feet) Total square feet of the inside of the room = 2 [ 187 + (28 x height) ] square feet.
To find the amount of carpet Marcus needs, we calculate the area of the rectangular floor by multiplying the lengths of its sides. The area is 11 feet × 8 feet = 88 square feet. Therefore, Marcus needs 88 square feet of carpet to completely cover the floor.
11 feet (132 inches).
121 square feet.
11 square meters is 118.403 square feet.
There will be some waste since you will have to buy a 12 x 13.5 (162 square feet/ 9 square feet per square yard ) 18 square yards
10 x 11 = 110 square feet.
25' x 11' = 275 square feet
It is: 14*11 = 154 square feet
11" by 50' is 45.83 square feet.