It could be a wall that is 1 square foot in cross section and 47 feet long.
Feet are the same as linear feet. Linear just distinguishes them clearly from square feet or cubic feet.
The distance around the wall is 42 linear feet.
To frame a space of 240 square feet, you'll need to calculate the perimeter and the amount of framing required. Assuming standard wall height and no windows or doors, you can estimate that you will need approximately 1 linear foot of 2x4 for every square foot of wall area. This means you would need about 240 linear feet of 2x4. Since a standard 2x4 is 8 feet long, you would require around 30 pieces of 2x4 (240 ÷ 8 = 30).
96 square feet.
How big is a wall that is 15 square feet?
Area of wall: 17 times 17 = 289 square feet
Sorry, wrong question - a linear foot is a measure of length - a square foot is a measure of area. How many inches fit into a gallon? How many quarts is it from here to the moon? Get the idea?
9 square feet = 1 square yard Area of the wall (each side of it) = 9' x 13' = 117 square feet = 13 square yards.
Unless you are speaking of something else, that is just a retaining wall in Sierra, Nevada.
If you have to ask.... You can't afford it.
58.33 square feet
a linear yard is one yard long - you need to know how wide the covering is in order to compute how much covers a square foot wall