Art of Problem Solving

2023 AMC 8 Problems/Problem 2

Revision as of 08:16, 25 January 2023 by Mrthinker (talk | contribs)

Problem

A square piece of paper is folded twice into four equal quarters, as shown below, then cut along the dashed line. When unfolded, the paper will match which of the following figures?

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Solution 1

Take a paper and fold it using the given conditions to see the resulting answer -apex304

Solution 2

Notice how the paper is folded. The bottom right corner of the twice-folded paper has to be the middle of the unfolded paper. So if you cut it in the way that it is shown in the problem, you find (it has to be symmetrical) that the cuts make a square centered in the middle of the paper.

-claregu

Solution 3 (Thorough)

Notice that when we unfold the paper from the vertical fold line, we get

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Then, if we unfold the paper from the horizontal fold line, we result in

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It is clear that the answer is $\boxed{\textbf{(E)}}$

~MrTHinker

See Also

2023 AMC 8 (ProblemsAnswer KeyResources)
Preceded by
1
Followed by
Problem 3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
All AJHSME/AMC 8 Problems and Solutions

These problems are copyrighted © by the Mathematical Association of America, as part of the American Mathematics Competitions. Error creating thumbnail: File missing