The drive wheel of an engine is 13 inches in diameter, and the pulley on the rotary pump is 7 inches in diameter. If the shafts of the drive wheel and the pulley are 2 feet apart and the belt is crossed as shown in the figure, what length of belt is required to join them? 6.5 in The length of the belt is approximately in. (Round the final answer to two decimal places as needed. Round all intermediate values to four decimal places as needed.) 2ft