1.已知平行四边形ABCD中,AC,BD交与点O,E为CA延长线上一点,△BDE为等边三角形,说明ABCD是菱形.2.若∠BEC=2∠EBA,则四边形ABCD为什么图形
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 19:22:02
![1.已知平行四边形ABCD中,AC,BD交与点O,E为CA延长线上一点,△BDE为等边三角形,说明ABCD是菱形.2.若∠BEC=2∠EBA,则四边形ABCD为什么图形](/uploads/image/z/7060926-30-6.jpg?t=1.%E5%B7%B2%E7%9F%A5%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2CAC%2CBD%E4%BA%A4%E4%B8%8E%E7%82%B9O%2CE%E4%B8%BACA%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E2%96%B3BDE%E4%B8%BA%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2%2C%E8%AF%B4%E6%98%8EABCD%E6%98%AF%E8%8F%B1%E5%BD%A2.2.%E8%8B%A5%E2%88%A0BEC%3D2%E2%88%A0EBA%2C%E5%88%99%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%BA%E4%BB%80%E4%B9%88%E5%9B%BE%E5%BD%A2)
xWnF~@(JdC()Vj@OG; u[1Z8rb%d(
WOzؗ}ٙof7zrZýeT
O[ퟲj}ը9}^,mUF'6vױ
+ֱ"pup6U쯿 =멢RE֣m,T;Q&w/q8Ss;b~T7徂H)MϗŲl<;7?WrR{Μq~!h)PEUJJfZ(B25]H'b65sb>̙1)L\11/sD8#p_JRXK2# hb