已知AB垂直平分CD,AC=6cm,BD=4cm,则四边形ADBC的周长是?
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![已知AB垂直平分CD,AC=6cm,BD=4cm,则四边形ADBC的周长是?](/uploads/image/z/333733-13-3.jpg?t=%E5%B7%B2%E7%9F%A5AB%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86CD%2CAC%EF%BC%9D6cm%2CBD%EF%BC%9D4cm%2C%E5%88%99%E5%9B%9B%E8%BE%B9%E5%BD%A2ADBC%E7%9A%84%E5%91%A8%E9%95%BF%E6%98%AF%3F)
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