The row numbers y and column numbers x of a chessboard are shown. Each position on the chessboard has a stack of pennies. The number of pennies in each stack 2^x multiplied by 2^y

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