Ben set up a volleyball net in his backyard. One of the poles, which forms a right angle with the ground, is 7 feet high.

Ben set up a volleyball net in his backyard. One of the poles, which forms a right angle with the ground, is 7 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 9 feet from the bottom of the pole. Find the length of the rope. (Round to the nearest tenth of a foot, if necessary).

The rope is  feet long.