已知四边形ABCD是正方形(如图1),点E在对角线AC上,点F在射线BC上,且EF=EB,EF与CD相交于点G,(1)当点F在BC的延长线上,求证:EG•GF=CG•GD;(2)联结DE、DF,试判断△DEF的形状,证明你所
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 01:28:46
![已知四边形ABCD是正方形(如图1),点E在对角线AC上,点F在射线BC上,且EF=EB,EF与CD相交于点G,(1)当点F在BC的延长线上,求证:EG•GF=CG•GD;(2)联结DE、DF,试判断△DEF的形状,证明你所](/uploads/image/z/12558183-15-3.jpg?t=%E5%B7%B2%E7%9F%A5%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E6%98%AF%E6%AD%A3%E6%96%B9%E5%BD%A2%EF%BC%88%E5%A6%82%E5%9B%BE1%EF%BC%89%2C%E7%82%B9E%E5%9C%A8%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E4%B8%8A%2C%E7%82%B9F%E5%9C%A8%E5%B0%84%E7%BA%BFBC%E4%B8%8A%2C%E4%B8%94EF%EF%BC%9DEB%2CEF%E4%B8%8ECD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9G%2C%EF%BC%881%EF%BC%89%E5%BD%93%E7%82%B9F%E5%9C%A8BC%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%2C%E6%B1%82%E8%AF%81%EF%BC%9AEG%26%238226%3BGF%EF%BC%9DCG%26%238226%3BGD%EF%BC%9B%EF%BC%882%EF%BC%89%E8%81%94%E7%BB%93DE%E3%80%81DF%2C%E8%AF%95%E5%88%A4%E6%96%AD%E2%96%B3DEF%E7%9A%84%E5%BD%A2%E7%8A%B6%2C%E8%AF%81%E6%98%8E%E4%BD%A0%E6%89%80)
xRKNA=ф0s "A!膟`ģ+X="a㚅NիR8 w^~MCT2Vm5kV^؎B#12(A{h>,HL=%v]gOL0ӄrM7Guse L2KLx1"7C!aucv;E:OBB,Pǎf8CW$JZy2EO