A vertical wall AB which is 5m high was built on level ground. The distance of a point C on the ground from the base of the wall is 12m. Calculate the distance from the top of the wall to the point C..
It’s best to draw a triangle and label each point and write the known sides. Then use the Pythagorean Theorem to find the missing side. The distance from the top of the wall, which is point A to point C is 13 m.
