过平行四边形ABCD对角线交点O作直线m,分别交直线AB于点E,交直线CD于点F,若AB=8,AE=5,则DF的长是____
问题描述:
过平行四边形ABCD对角线交点O作直线m,分别交直线AB于点E,交直线CD于点F,若AB=8,AE=5,则DF的长是____
答
AB=8,AE=5,则DF的长是3或13
过平行四边形ABCD对角线交点O作直线m,分别交直线AB于点E,交直线CD于点F,若AB=8,AE=5,则DF的长是____
AB=8,AE=5,则DF的长是3或13