如图1,菱形ABCD的对角线交于点O,OB:OA=3:4,E为线段CB上的动点,过E作AB的垂线l(图中标的I)交CD于点,交CA于点F,G为垂足.(1)求证:△AFG∽△ABO;(2)当点E为CB中点时,求FC:FA的值;(3)连接FB,
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 02:59:49
![如图1,菱形ABCD的对角线交于点O,OB:OA=3:4,E为线段CB上的动点,过E作AB的垂线l(图中标的I)交CD于点,交CA于点F,G为垂足.(1)求证:△AFG∽△ABO;(2)当点E为CB中点时,求FC:FA的值;(3)连接FB,](/uploads/image/z/2570979-3-9.jpg?t=%E5%A6%82%E5%9B%BE1%2C%E8%8F%B1%E5%BD%A2ABCD%E7%9A%84%E5%AF%B9%E8%A7%92%E7%BA%BF%E4%BA%A4%E4%BA%8E%E7%82%B9O%2COB%EF%BC%9AOA%3D3%EF%BC%9A4%2CE%E4%B8%BA%E7%BA%BF%E6%AE%B5CB%E4%B8%8A%E7%9A%84%E5%8A%A8%E7%82%B9%2C%E8%BF%87E%E4%BD%9CAB%E7%9A%84%E5%9E%82%E7%BA%BFl%28%E5%9B%BE%E4%B8%AD%E6%A0%87%E7%9A%84I%EF%BC%89%E4%BA%A4CD%E4%BA%8E%E7%82%B9%2C%E4%BA%A4CA%E4%BA%8E%E7%82%B9F%2CG%E4%B8%BA%E5%9E%82%E8%B6%B3.%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9A%E2%96%B3AFG%E2%88%BD%E2%96%B3ABO%EF%BC%9B%EF%BC%882%EF%BC%89%E5%BD%93%E7%82%B9E%E4%B8%BACB%E4%B8%AD%E7%82%B9%E6%97%B6%2C%E6%B1%82FC%EF%BC%9AFA%E7%9A%84%E5%80%BC%EF%BC%9B%EF%BC%883%EF%BC%89%E8%BF%9E%E6%8E%A5FB%2C)
xSJA}bdCFY3^#MbҪI+ZVZ4iEv*ovcBEx;9gwte!<͟2^ݏ&{AvcPvCG=$*06|nѠ9;CV&jY~ :uPc]ffU
.Qg[h6<G4}:M@(op'gBcИ}ltb