A cooling tower is 120 meters tall. The sides of the tower are in the shape of a hyperbola defined by the equation startfraction x squared over 500 endfraction minus startfraction y squared over 900 endfraction = 1 with units in meters. The center of the tower is at the origin. How wide is the tower at the top? 50 m 92 m 100 m 184 m.
