5.75 foot tall Le places a mirror 100 feet from the base the head. He walks backwards 7 feet until he can see the top of the memorial in the mirror. How tall is the face of the memorial?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units