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# A bridge underpass in the shape of an elliptical arch, that is, half of an ellipse, is 3030 feet wide and 1515 feet high. an eight foot wide rectangular truck is to drive (safely) underneath. how high

A bridge underpass in the shape of an elliptical arch, that is, half of an ellipse, is 3030 feet wide and 1515 feet high. an eight foot wide rectangular truck is to drive (safely) underneath. how high can the truck be?