AMC8 1992
AMC8 1992 · Q20
AMC8 1992 · Q20. It mainly tests Transformations.
Which pattern of identical squares could NOT be folded along the lines shown to form a cube?
哪种相同正方形的图案无法沿所示线折叠成一个立方体？
(A)
(B)
(C)
(D)
(E)
Answer
Correct choice: (D)
正确答案：（D）
Solution
Answer (D): Any attempt to fold the squares would result in square 1 being superimposed on square 2. Have students cut and fold the other four patterns into cubes.
答案 (D)：折叠方块时，方块1总会叠在方块2上。让学生剪切并折叠其他四个图案成立方体。
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