40 x 40 = 1600 square feet (can also be written as 1600ft2).
40x40=1,600 sq. ft. 100 sq. ft. in a square. 16 square. Allow extra for the starter row and the cap unless you are going to use a ridge vent.
If you mean a 9 ft x 10 ft floor, then it is 90 ft2.
The square footage of a floor can be calculated by multiplying its length by its width. For a 12 x 24 ft floor, the calculation is 12 ft multiplied by 24 ft, which equals 288 square feet. Therefore, the square footage of the floor is 288 sq ft.
20 ft x 20 ft = 400 sq ft.
6 sq. yds
40x40=1,600 sq. ft. 100 sq. ft. in a square. 16 square. Allow extra for the starter row and the cap unless you are going to use a ridge vent.
If you mean a 9 ft x 10 ft floor, then it is 90 ft2.
67.5 sq ft
24*17 or 408 square feet.
Multiply width by length to get the area. The answer would be 360 square feet which is 40 square yards.
Well, honey, 40x40 feet is 1600 square feet. To convert that to square meters, you divide by 10.764, giving you approximately 148.64 square meters. So, there you have it, darling, 40x40 feet is about 148.64 square meters.
121 sq ft
20 ft x 20 ft = 400 sq ft.
The White House has 55,000 sq. ft. of floor space.
6 sq. yds
150
800 on each floor.