A bridge is being built across a canyon. The length of the bridge is 5045 feet. From the d...

A bridge is being built across a canyon. The length of the bridge is 5045 feet. From the deepest point in the canyon, the angles of elevation to the ends of the bridge are 78° and 72°. Find the height (to nearest tenth) of the bridge over the deepest point in the canyon. (See diagram on the left.)