4. The volume of a square prism is six times the volume of a square pyramid. The two solids have
equal heights. The area of the base of the square prism is 72 square units. What is the area of the
base of the pyramid?

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