将锐角为60°,边长为a的菱形ABCD沿较短的对角线BD折成60°的二面角后(1)求异面直线AC、BD的距离(2)求三棱锥C-ABD的体积(3)求D到面ABC的距离
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 08:25:46
![将锐角为60°,边长为a的菱形ABCD沿较短的对角线BD折成60°的二面角后(1)求异面直线AC、BD的距离(2)求三棱锥C-ABD的体积(3)求D到面ABC的距离](/uploads/image/z/10792531-19-1.jpg?t=%E5%B0%86%E9%94%90%E8%A7%92%E4%B8%BA60%C2%B0%2C%E8%BE%B9%E9%95%BF%E4%B8%BAa%E7%9A%84%E8%8F%B1%E5%BD%A2ABCD%E6%B2%BF%E8%BE%83%E7%9F%AD%E7%9A%84%E5%AF%B9%E8%A7%92%E7%BA%BFBD%E6%8A%98%E6%88%9060%C2%B0%E7%9A%84%E4%BA%8C%E9%9D%A2%E8%A7%92%E5%90%8E%EF%BC%881%EF%BC%89%E6%B1%82%E5%BC%82%E9%9D%A2%E7%9B%B4%E7%BA%BFAC%E3%80%81BD%E7%9A%84%E8%B7%9D%E7%A6%BB%EF%BC%882%EF%BC%89%E6%B1%82%E4%B8%89%E6%A3%B1%E9%94%A5C-ABD%E7%9A%84%E4%BD%93%E7%A7%AF%EF%BC%883%EF%BC%89%E6%B1%82D%E5%88%B0%E9%9D%A2ABC%E7%9A%84%E8%B7%9D%E7%A6%BB)
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