Tomahawk Quinsector

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This Demonstration shows two attached tomahawks that form a quinsector, an instrument that divides an angle into five equal parts. In the figure, the angle is quinsected. It is fairly easy to see that the five right triangles are congruent.

Contributed by: Izidor Hafner (December 2017)
Open content licensed under CC BY-NC-SA



To construct a tomahawk, see Tomahawk Trisection of an Angle.


[1] G. E. Martin, Geometric Constructions, New York: Springer, 1998 pp. 20–21.

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