Problem 11. (1 point) The surface area of a right-circular cone of radius r and height his S = TrVr2 + h2, and its volume is la) Determine h and r for the cone with given surface area S = 9 and maximal volume V. h= (b) What is the ratio h/r for a cone with given volume V = 5 and minimal surface area S? sqrt2 (c) Does a cone with given volume V and maximal surface area exist? O A. yes o B. no Note: You can eam partial credit on this problem. Entered Answer Preview Result 3.22371 162 13 incorrect # 0 0 e a ê 9 D C I $ * a HEWLETT-PACKARD