Every foot is composed of 12 inches. Below is the way to solve the number of inches (n) in 12 ft.
n = (12 ft) x (12 inches / 1 ft) = 144 inches
To determine the number of 2-inch segments, divide 144 inches by 2. The division gives an answer of 72. Thus, there are 72 2-inch segment in 12 ft.