Question

A ladder is propped up against a house. The top of the ladder rests 18 ft above the ground. The base

of the ladder is 4 feet from the building. What is the length of the ladder?

Answer 1

18.44ft

Explanation:

a²+b²=c² where c is the hypotenuse

so according to this

18²+4²=c²

c²=340

c= 18.44