1. for his birthday, you buy your dad a package of tennis balls that come in a cylindrical container with diameter 6.9 cm and height 20.6 cm. you cover the container in wrapping paper before giving it to him. what is the area of the wrapping paper? assume there is no overlap. round to the nearest whole number. a. 447 cm b. 521 cm c. 1192 cm d. 3111 cm