已知
中,
为
边上的高线,以
为折痕进行折叠,使得二面角
为
,则三棱锥
的外接球半径为__________ .
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22-23高三下·河北·阶段练习 查看更多[6]
河北省2023届高三下学期高考前适应性考试数学试题(已下线)“8+4+4”小题强化训练(26)(已下线)第74练 计算提升训练14云南省红河州开远市第一中学校2022-2023学年高二下学期5月月考数学试题(已下线)专题13.8外接球与内切球3大题型13个方向-重难点突破及混淆易错规避(苏教版2019必修第二册)(已下线)专题3.9 立体中的外接球和内切球-重难点突破及混淆易错规避(人教A版2019必修第二册)
更新时间:2023-03-26 17:19:50
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