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

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.