已知:如图,正六边形ABCDEF内接于⊙O,求证正六边形ABCDEF的边长等于求证1.正六边形ABCDEF的边长等于⊙O的半径r2.AD=2r3.AC=根号3r
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![已知:如图,正六边形ABCDEF内接于⊙O,求证正六边形ABCDEF的边长等于求证1.正六边形ABCDEF的边长等于⊙O的半径r2.AD=2r3.AC=根号3r](/uploads/image/z/5561247-39-7.jpg?t=%E5%B7%B2%E7%9F%A5%3A%E5%A6%82%E5%9B%BE%2C%E6%AD%A3%E5%85%AD%E8%BE%B9%E5%BD%A2ABCDEF%E5%86%85%E6%8E%A5%E4%BA%8E%E2%8A%99O%2C%E6%B1%82%E8%AF%81%E6%AD%A3%E5%85%AD%E8%BE%B9%E5%BD%A2ABCDEF%E7%9A%84%E8%BE%B9%E9%95%BF%E7%AD%89%E4%BA%8E%E6%B1%82%E8%AF%811.%E6%AD%A3%E5%85%AD%E8%BE%B9%E5%BD%A2ABCDEF%E7%9A%84%E8%BE%B9%E9%95%BF%E7%AD%89%E4%BA%8E%E2%8A%99O%E7%9A%84%E5%8D%8A%E5%BE%84r2.AD%3D2r3.AC%3D%E6%A0%B9%E5%8F%B73r)
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