题目

Hi. This is __________ new teacher.  _________ name is Linda and the bag is _______. A. your; My; hers  B. his; Your; she  C. your; Her; hers  D. her; His; her 答案：C一个六棱锥的体积为23，其底面是边长为2的正六边形，侧棱长都相等，则该六棱锥的侧面积为 ．