3) A man is walking his dog on level ground in a straight line with the dog's favorite tree. The angle of elevation from the man's present position to the top of a nearby telephone pole is 30. The angle of elevation from the tree to the top of the telephone pole is 45. If the telephone pole is 40 feet tall, how far is the man with the dog from the tree? Express answer to the nearest tenth of a foot. A O B O D [A] 1.7 feet [B] 29.3 feet [C] 40 feet [D] 42.3 feet 45