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Haberdasher's Problem
A square is cut into four pieces that can be rearranged to form an equilateral triangle. Henry Dudeney published this puzzle in 1902.
Contributed by:
George Beck
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Haberdasher's Problem
(
Wolfram
MathWorld
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Dissection
(
Wolfram
MathWorld
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An Example of the Bolyai-Gerwien Theorem
(
Wolfram Demonstrations Project
)
PERMANENT CITATION
George Beck
"
Haberdasher's Problem
"
http://demonstrations.wolfram.com/HaberdashersProblem/
Wolfram Demonstrations Project
Published: October 24, 2007
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Related Curriculum Standards
US Common Core State Standards, Mathematics
7.G.B.6
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