Cindy is baking a 2-layer cake .The too layer has a diameter of 8 inches and the bottom layer has a diameter of 10 inches. What is the difference in area between the top surface of two cakes? Use 3.14 for pi

Cindy is baking a 2layer cake The too layer has a diameter of 8 inches and the bottom layer has a diameter of 10 inches What is the difference in area between t class=