Tomahawk (geometric Shape)

Tomahawk (geometric Shape)

The tomahawk is a tool in geometry for angle trisection, the problem of splitting an angle into three equal parts. The boundaries of its shape include a semicircle and two line segments, arranged in a way that resembles a tomahawk, a Native American axe. The same tool has also been called the shoemaker's knife, but that name is more commonly used in geometry to refer to a different shape, the arbelos (a curvilinear triangle bounded by three mutually tangent semicircles).

Read more about Tomahawk (geometric Shape):  Description, Trisection, History

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Tomahawk (geometric Shape) - History
... The inventor of the tomahawkis unknown,but the earliest references to it come from 19th-century France ... It dates back at least as far as 1835,when it appeared in a book by Claude Lucien Bergery,omĂtrie appliquĂe a l'industrie,a l'usage des artistes et des ouvriers 3rd ...