The gateway arch in st. Louis was built using the equationy=211.49-20.96cosh0.03

The gateway arch in st. Louis was built using the equationy=211.49-20.96cosh0.03291765x for the central curve of the archwhere x and y are measures in meters and lxl 91.20. Set up theintegral and estimate the length of the arch to the nearest tenthof a meter