400 (20x20) square inches is 2.78 square feet.
If that is 20ft by 20ft then there are 400 square feet
20x20 = 400 2x4= 8 400/8= 50 needed
You multiply the two dimensions to get square feet. That would be 154 square feet.
10,800 square feet.
400 (20x20) square inches is 2.78 square feet.
2.78 square feet.
400 square feet (20 x 20 = 400)
If that is 20ft by 20ft then there are 400 square feet
400 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.
40
Assuming your measurement is in feet - 400 square feet of timer.
A typical 2 car garage is 20x20 which equals 400 square feet
Well honey, a 20x20 area equals 400 square feet. A sheet of 4x8 plywood covers 32 square feet. So, you'll need 13 sheets of plywood to cover that 20x20 space. Math doesn't lie, darling.
20 x 20 = 400 The room has 400 square feet on the floor, 400 square feet on the ceiling, and (80 x height of the room) square feet on the walls.
1070 square feet is 154080 square inches. (1 square foot is 12x12 or 144 square inches.)a 20x20 inch tile is 400 square inches.So the question could be restated as "how many 400 square inch tiles does it take to cover 154080 square inches?"154080 / 400 = 385.2
No one answer, since it depends on the shape of the 400 square foot figure. If it is a square 20x20, then the diagonal is about 28.25 ft.