已知圆的方程为(x-1)2+(y-1)2=9,P(2,2)是该圆内一点,过点P的最长弦和最短弦分别为AC和BD,则四边形ABCD的面积是______ .
2019·上海·模拟预测 查看更多[6]
更新时间:2019-10-23 16:13:00
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【知识点】 圆的弦长与中点弦
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【推荐1】在极坐标系中,直线
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【推荐2】已知圆
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_______ .
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