22. Workers for a roofing company lean a 20-foot iadaer against a building. The side of the building
is perpendicular to the level ground so that the
base of the ladder is 5 feet away from the base of
the building. To the nearest foot, how far up the
building does the ladder reach?
F. 5
G. 10
H. 18
J. 19
K. 20