A painter leans a ladder against a vertical wall. The top of the ladder is 7 meters above the ground. When the bottom of the ladder is moved 1 meter
farther away from the wall, the top of the ladder is now 5 meters above the ground. What is the length of the ladder?
O There is not enough information to solve this problem.
O the ladder is 7.89 meters long
O the ladder is 8.60 meters long
O the ladder is 13.46 meters long