Cut Equilateral Triangles into Rectangles & Dudeney's Puzzle

[b](Updated 24 Dec 2012)[/b] To see how to dissect an equilateral triangle to a rectangle, and then investigate positions of the dissection points at which the rectangle becomes a square (the Dudeney's Puzzle).


Anthony OR 柯志明

Target Group (Age)
11 – 14
English (United Kingdom)
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