Pamela is frosting a cake shaped like a nine-sided regular polygon. She needs to frost the top and the sides of the cake, but not the bottom. The sides of the cake are 6.8 inches, and the distance from the center of the cake to one of the sides is 5.6 inches. The cake is 8 inches tall. If one package of frosting covers 150 square inches, how many packages does Pamela need? Round your answer up to the next whole number.
O 4 packages
O 5 packages
O 3 packages
O 6 packages