53. A high fountain of water is located at the center of a circular pool as shown in Figure P 1.53 . Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 15.0 m . Next, the student stands at the edge of the pool and uses a protractor to gauge the angle of elevation of the top of the fountain to be 55.0° . How high is the fountain?
