99ft2
40 square feet.
To find the area (square feet) of a room, multiply the length by the width. 10 feet x 20 feet = 200 square feet.
25 square feet
(21.5) x (21.5) = 462.25 -- It has 462.25 square feet on the floor. -- It has another 462.25 square feet on the ceiling. -- It has (21.5 times the height of the room) square feet on each of the four walls.
That's a total of 100 square feet (100 ft2)
352 square feet.
216 square feet
140 square feet
1690 square feet
23,142 square feet.
1,120 square feet.
There are: 24*24 = 576 square feet
14 × 5 = 70 square feet.
This room has an area of 11.71 (11.705783) square meters.
36 square yards.
2
72