Decomposition of Some Polygons to Iso-Penta Triangles

Many figures, such as the pentagon, pentagram, and decagon, can be dissected into isosceles triangles where all three angles are multiples of . Such triangles are called iso-penta triangles.


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