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Phương trình đường phân giác của tam giác ABCD?

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Tính chất 9. Điểm Miquel M là tâm vị tự quay của tứ giác ABCD. Nghĩa là tồn tại các phép vị tự quay tâm M biến AB thành CD ... AB = √[(1 - (-1))^2 + (1 - 0)^2 + (0 - 1)^2] = √[2^2 + 1^2 + (-1)^2] = √(4 + 1 + 1) = √6. Oct 8, 2024 ... Với hình chóp tứ giác đều SABCD, ta có: Tứ giác ABCD là hình vuông tâm O. SO \perp (ABCD). Có ai giup em vs! Cho tam giac ABC,M là điểm bất kì trên cạnh AB.Qua M kẻ ME// BC ( E

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tam giác abcd


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