如图,已知四边形ABCD是正方形,对角线AC、BD相交于O,四边形AEFC是菱形,EH⊥AC,垂足为H,求证:EH=1\2FC最要注意的是题目没说B、E、F共线啊!
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![如图,已知四边形ABCD是正方形,对角线AC、BD相交于O,四边形AEFC是菱形,EH⊥AC,垂足为H,求证:EH=1\2FC最要注意的是题目没说B、E、F共线啊!](/uploads/image/z/5552101-37-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%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%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E3%80%81BD%E7%9B%B8%E4%BA%A4%E4%BA%8EO%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2AEFC%E6%98%AF%E8%8F%B1%E5%BD%A2%2CEH%E2%8A%A5AC%2C%E5%9E%82%E8%B6%B3%E4%B8%BAH%2C%E6%B1%82%E8%AF%81%EF%BC%9AEH%3D1%5C2FC%E6%9C%80%E8%A6%81%E6%B3%A8%E6%84%8F%E7%9A%84%E6%98%AF%E9%A2%98%E7%9B%AE%E6%B2%A1%E8%AF%B4B%E3%80%81E%E3%80%81F%E5%85%B1%E7%BA%BF%E5%95%8A%21)
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