Mathematics, 30.07.2021 20:50, Echo009

Cho tứ diên ABCD, trên cạnh AB lấy điểm M, trong tam giác BCD lấy điểm N a) Tìm giao điểm P của BC với (DMN) b) Tìm giao điểm I của AC với (DMN) c) Tìm giao điểm K của MN với (ACD)

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Cho tứ diên ABCD, trên cạnh AB lấy điểm M, trong tam giác BCD lấy điểm N a) Tìm giao điểm P của BC v...