WOLFRAM|DEMONSTRATIONS PROJECT

Freese's Dissection of Four Equilateral Triangles into One

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rotate 1
rotate 2
translate 1
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translate 2
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This Demonstration shows Ernest Freese's dissection of four equilateral triangles to one equilateral triangle. The sides of the four smaller triangles are in the ratio 1:3:5:7. Carry out the five rotation and translation operations in any order.