Well of course it is but its nice that we came up with the right answer. Now we multiply that by or its decimal equivalent 02 to find our arc length which is 3769911 meters. Finally multiply that number by 2 pi to find the arc length.
Arc Length Formula All this means is that by the power of radians and proportions the length of an arc is nothing more than the radius times the central angle.
That means the arc length of the semicircle is 1413 units.