4. A ladder leans against a brick wall. The foot of a ladder is 10 ft from the wall. The ladder reaches a height 18 feet on the wall. Find the nearest degree, the angle the ladder makes with the wall.
A ladder leans against a brick wall. The foot of a ladder is 10 ft from the wall. The ladder reaches a height 18 feet on the wall. Find the nearest degree, the angle the ladder makes with the wall.