For the second part of the question, it asks for length of belt in contact with pulley is ____ and then there's another drop-down for units. Unit answer choices are degrees, in^2, or inches. Please include this in your answer

The central angle corresponding to the part of a belt making contact with the larger pulley in the figure on the right is 209. Find the length of the belt in contact with the pulley if its 13.90 in. radius is 3.90 in. 2090 The formula relating angle, radius, and arc length is sr = 0. The length of the belt in contact with the pulley is (Round the final answer to one decimal place as nee mediate values to two decimal places as needed.) sr = 0. s = wor. s = r0. S = 210