A man wants to measure the height of a nearby building. He places a pole in the shadow of the building so that the shadow of the pole is exactly...

A man wants to measure the height of a nearby building. He places a pole in the shadow of the building so that the shadow of the pole is exactly covered by the shadow of the building. The distance between the pole and the building is , and the pole casts a shadow that is long. How tall is the building? Round your answer to the nearest foot.