A Flag Is Hanging Over the Side of a Building

Short Answer

A flag is hanging over the side of a building.Assume that the flag is a right triangle that has a width (one leg)
of 25 feet at the top of the building, a length (other leg)of 45 feet hanging down the side of the building, and a weight of 89 pounds.Find the amount of work (in ft-lbs)needed to lift this flag to the roof.