Problem:
Which pattern of identical squares could NOT be folded along the lines shown to form a cube?
Answer Choices:
A.
B.
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C.
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D.
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E.
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Solution:
Any attempt to fold the squares would result in square being superimposed on square . Have students cut and fold the other four patterns into cubes.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions