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Dissections - Haberdasher's puzzle
Author:
Simona Riva
Topic:
Equilateral Triangles
,
Geometry
,
Square
A
dissection
example, the Haberdasher's puzzle, proposed in 1902 by Henry Dudeney, that transforms an
equilateral triangle
into an
equivalent square
.
GeoGebra
Step-by-step construction of the dissection
GeoGebra
New Resources
Linear Cross Section Exercise
Bottema's Theorem
Parallel or Not? (V2)
Drag that Point!
Construct a Square
Discover Resources
Helms Deep
Kolnicki.K
Task 1
parallel lines hold equal chords
snow_morgan_lab1_part1
Discover Topics
Rational Numbers
Angles
Power Functions
Logarithm
Geometric Distribution