On level ground, the base of a tree is 21 feet from the bottom of a 48ft flagpole. The tree is shorter than the pole. At a certain time, their shadows end at the same point 60ft from the base of the flagpole. How tall is the tree?

On level ground the base of a tree is 21 feet from the bottom of a 48ft flagpole The tree is shorter than the pole At a certain time their shadows end at the sa class=