A pine tree growing on a hillside makes a 77 angle with the hill. From a point 81 feet up the hill, the angle of elevation to the top of the tree is 64 and the angle of depression to the bottom is 23 . Find, to the nearest tenth of a foot, the height of the tree. 230 640 7701 81 ft . . . The height of the tree is about feet . (Round to the nearest tenth as needed.)