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Mathematics, 17.06.2021 05:00 kloey908

Cho đường tròn tâm O , đường kính AB=13cm , CD=12cm và vuông góc với AB tại H a) Tính HA, HB
b) Gọi M, N lần lượt là hình chiếu của H trên AC, BC . tính diện tích tứ giác CMHN

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Cho đường tròn tâm O , đường kính AB=13cm , CD=12cm và vuông góc với AB tại H a) Tính HA, HB
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