NZ-NZMO 2024 Problem 3
- Answer
A rectangular sheet of paper is folded so that one corner lies on top of the corner diagonally opposite. The resulting shape is a pentagon whose area is one-sheet-thick, and two-sheets-thick. Determine the ratio of the two sides of the original sheet of paper.
Dataset text NuminaMath olympiads. Quoted with source.
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BC:CD = \sqrt{7}:3
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