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  3. Two diagonals have been drawn on two faces of the cube. Using logical reasoning

Two diagonals have been drawn on two faces of the cube. Using logical reasoning

游客2024-08-15  6
问题 Two diagonals have been drawn on two faces of the cube. Using logical reasoning and lateral thinking, work out the angle between the two diagonals AB and AC.
选项
答案 60
解析 (连接BC，AB、BC、Ac等长，等边三角形内角为60度。)
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