Isopenta Triangles

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.
This Demonstration shows isopenta triangles and their expansions or dissections.

THINGS TO TRY

SNAPSHOTS

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DETAILS

Reference
[1] G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge University Press, 1997 p. 212.
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