圆上有一点A,过点A作两条互相垂直的弦AB,AC,AB的弦心距为2,AC的弦心距为3,则AB= AC=
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![圆上有一点A,过点A作两条互相垂直的弦AB,AC,AB的弦心距为2,AC的弦心距为3,则AB= AC=](/uploads/image/z/7253074-10-4.jpg?t=%E5%9C%86%E4%B8%8A%E6%9C%89%E4%B8%80%E7%82%B9A%2C%E8%BF%87%E7%82%B9A%E4%BD%9C%E4%B8%A4%E6%9D%A1%E4%BA%92%E7%9B%B8%E5%9E%82%E7%9B%B4%E7%9A%84%E5%BC%A6AB%2CAC%2CAB%E7%9A%84%E5%BC%A6%E5%BF%83%E8%B7%9D%E4%B8%BA2%2CAC%E7%9A%84%E5%BC%A6%E5%BF%83%E8%B7%9D%E4%B8%BA3%2C%E5%88%99AB%3D+AC%3D)
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