The surface area of a right-circular cone of radius 'r' and height h is S = 7T'l'"\\/'f'2 + it? and its volume is V = iwri'h. (:3) Determine h and r for the cone with given surface area S = 2 and maximal volume V. h : r : (b) What is the ratio h/r fora cone with given volume V = 3 and minimal surface area S