The user wants me to create an HTML output with two parts: 1. Analysis of the sample question 2. A list of 5 similar problems with solutions and answer keys. The sample problem is about a pyramid S.ABCD with a rhombus base, SA perpendicular to the plane (ABCD). It asks which statement is false regarding angles between lines/planes and perpendicularity. Let me analyze the … [Đọc thêm...] vềBài tập Câu 2: Cho hình chóp $S.ABCD$ có đáy là hình thoi tâm $O$, $SA \per…
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