design a carport with the following dimensions depth 32 feet width 28 feet height 10 feet the structure should have 9 poles 4x4 inches each 10 feet tall arranged with 3 poles on the front side 3 poles in the middle for support and 3 poles on the back side all evenly spaced the roof should be flat and fully covered with wood supported by horizontal beams connecting the tops of the poles refer to the attached sketch for detailed measurements and layout