WOLFRAM|DEMONSTRATIONS PROJECT

Hinged Dissection of Equilateral Triangles

​
translation, rotation 1
rotation 2
areas
2
3
+
2
4
=
2
5
2
15
+
2
8
=
2
17
2
29
+
2
3
=
2
27
+
2
11
show axes
This Demonstration gives hinged dissections of various sets of equilateral triangles due to Bradley (
2
3
+
2
4
=
2
5
), Collison (
2
15
+
2
8
=
2
17
), and Frederickson (
2
27
+
2
11
=
2
29
+
2
3
). The side lengths are proportional to the square roots of the areas.