线面垂直 已知SD垂直正方形ABCD,DE垂直SA于E,EF垂直SB于F.(1)求证:DF垂直SB (2)平面DEF交SC于G,求证:DG垂已知SD垂直正方形ABCD,DE垂直SA于E,EF垂直SB于F.(1)求证:DF垂直SB (2)平面DEF交SC于G,求证:DG垂直面S
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 20:30:18
![线面垂直 已知SD垂直正方形ABCD,DE垂直SA于E,EF垂直SB于F.(1)求证:DF垂直SB (2)平面DEF交SC于G,求证:DG垂已知SD垂直正方形ABCD,DE垂直SA于E,EF垂直SB于F.(1)求证:DF垂直SB (2)平面DEF交SC于G,求证:DG垂直面S](/uploads/image/z/15180283-19-3.jpg?t=%E7%BA%BF%E9%9D%A2%E5%9E%82%E7%9B%B4+%E5%B7%B2%E7%9F%A5SD%E5%9E%82%E7%9B%B4%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%2CDE%E5%9E%82%E7%9B%B4SA%E4%BA%8EE%2CEF%E5%9E%82%E7%9B%B4SB%E4%BA%8EF.%281%29%E6%B1%82%E8%AF%81%3ADF%E5%9E%82%E7%9B%B4SB+%282%29%E5%B9%B3%E9%9D%A2DEF%E4%BA%A4SC%E4%BA%8EG%2C%E6%B1%82%E8%AF%81%EF%BC%9ADG%E5%9E%82%E5%B7%B2%E7%9F%A5SD%E5%9E%82%E7%9B%B4%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%2CDE%E5%9E%82%E7%9B%B4SA%E4%BA%8EE%2CEF%E5%9E%82%E7%9B%B4SB%E4%BA%8EF.%281%29%E6%B1%82%E8%AF%81%3ADF%E5%9E%82%E7%9B%B4SB+%282%29%E5%B9%B3%E9%9D%A2DEF%E4%BA%A4SC%E4%BA%8EG%2C%E6%B1%82%E8%AF%81%EF%BC%9ADG%E5%9E%82%E7%9B%B4%E9%9D%A2S)
xSn@(RQ+E ?6AHbV@H,@eTQ*XNk/ʂϜs9X{'٧I+c9uP /D7LAVy[c4(Mn+mtC6'm,{>TS,
c>~b};0"M^毎ٻrZc߿l-gM&:LDGNELj+=Ʃ7ņ~+
&*
h9+xVڲ}S]SڈYy!s.P+ha~*xаU36 WՋԢݝ'I=z>Jn;m
0h0.7epC@ &ΠI