The length of the arc is 8*pi cm. An arc that subtends a central angle of 120 degrees has a length of 120/360 = 1/3 the length of the total circumference of the circle. We know the entire circumference of the circle is 2πr, which in this case is 2π*12 = 24π.
<h2><u><em>at x = 3 D = .1086</em></u></h2><h2><u><em /></u></h2><h2><u><em>at x = 4 D = .0869</em></u></h2><h2><u><em /></u></h2><h2><u><em>at x = 5 D = .0724</em></u></h2>
<span>This is the term used to describe economic systems in which the basic economic questions are answered based on a socially, pre-established way.</span>
