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.
The are is calculated multiplying length by width, so 160 feet would be a room that would have length times width equal 160. For example, a rectangular room that is 16 feet long by 10 feet wide.
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
This room has an area of 11.71 (11.705783) square meters.
14 × 5 = 70 square feet.
36 square yards.
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72