球与多面体切接问题的求解策略

• 作 者: 李洁
• 机 构: 河北省沧州市第一中学,
• 出 处: 数理化学习(高三版)
• 发表日期: 2013年12期
• 关键词: 求解策略 高考命题 高考试题 正三棱锥 正棱柱 失分 变式 棱长 高考题 正四面体

球与其它几何体的切接问题,是近几年高考的热点,这种题目几乎在各省高考试题中都有涉及,主要考查空间想象能力和逻辑思维能力.下面就近几年高考题对球与其它几何体的切接作深入的探究,从中使学生掌握高考命题的趋势和高考的出题思路,使我们在这部分内容不失分.

Ball and other geometry cut connection problem is a hot spot in recent years college entrance examination, this topic is almost all provincial college entrance examination questions are involved, the main test space imagination and logical thinking ability .In recent years, college entrance examination questions on the ball and other Geometry cut in-depth exploration, from which students grasp the college entrance examination proposition trends and the college entrance examination ideas, so that we do not lose points in this part.