两组邻边分别相等的四边形我们称它为筝形.如图,在筝形ABCD中,AB=AD,BC=DC,AC,BD相交于点O.(1)求证:AC是BD的垂直平分线
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![两组邻边分别相等的四边形我们称它为筝形.如图,在筝形ABCD中,AB=AD,BC=DC,AC,BD相交于点O.(1)求证:AC是BD的垂直平分线](/uploads/image/z/13750643-11-3.jpg?t=%E4%B8%A4%E7%BB%84%E9%82%BB%E8%BE%B9%E5%88%86%E5%88%AB%E7%9B%B8%E7%AD%89%E7%9A%84%E5%9B%9B%E8%BE%B9%E5%BD%A2%E6%88%91%E4%BB%AC%E7%A7%B0%E5%AE%83%E4%B8%BA%E7%AD%9D%E5%BD%A2.%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%AD%9D%E5%BD%A2ABCD%E4%B8%AD%2CAB%3DAD%2CBC%3DDC%2CAC%2CBD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O.%281%29%E6%B1%82%E8%AF%81%3AAC%E6%98%AFBD%E7%9A%84%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86%E7%BA%BF)
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