A 4.0-ft wall stands 2.0 ft. from a building. The ends of a straight pole touch the buil...

A 4.0-ft wall stands 2.0 ft. from a building. The ends of a straight pole touch the building and the ground 6.0 ft. from the wall. A point on the pole touches the top of the wall. How long is the pole? See Fig 2.46.

Reference Figure: 2.46