Isopenta Triangles
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An isopenta triangle is one of the two isosceles triangles: a triangle with two angles or a triangle with two angles
. Either can be dissected into similar isopenta triangles all of equal legs.
Contributed by: Izidor Hafner (August 2020)
Open content licensed under CC BY-NC-SA
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Reference
[1] G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge University Press, 1997 p. 212.
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