the legs of the frame SI and GI Are each 5 feet long if the crossbar WN intersects legs SI and GI at the midpoints how far is point W from point S on the leg. justify your answer

The distance between point S and point G is 5 feet what a piece of wood that is 36 inches long be long enough to replace the crossbar labeled WN? Justify your answer

assuming the ground is flat is WN parallel to the ground justify your answer.