No, 12 sq. ft. is 48 linear ft.
If it is twelve inches by twelve inches, is equals one square foot. If it is 12 feet by 12 feet, then it equals 144 square feet. Units are integral for conversion questions to be solved.
Its area is 12 square feet for every one foot of length.
(10 x 12) = 120 sq ft...
Since a foot is twelve inches, a square foot = 12x12 = 144 square inches.
There are about 22.2967296 square meters in a 20 by 12 foot area. (Round this off as you see fit.) The 20 x 12 square foot area = 240 square feet, and there are 10.7639104 square feet in a square meter. Divide the square feet in a square meter into the number of square feet to get your answer in square meters. A calculator will allow you to make any conversions, and if you open a Google window on your computer and put "240 sq ft to sq meters" as a search argument, you'll get your answer immediately.
A linear foot is distance. A square foot is area. One square foot is the area of some square tiles used on floors. Ten square feet is 1 foot x 10 feet or 2 feet x 5 feet. Don't confuse this with a 10 foot square which is 10 feet by 10 feet which equals 100 square feet.
144 square feet. This is an easy calculation. Just multiply the length by the width. The answer is the number of square feet.
Square feet and square foot can be expressed as: ft2
The answer depends on the units used for "twelve by twelve". It should be pretty obvious that the number of square feet in 12 micrometres by 12 micrometres will be different to those in 12 miles by 12 miles!
132 square feet
12 feet x 16 feet = 192 square feet
225 square feet