What does trisection mean?

Definitions for trisection
tri·sec·tion

This dictionary definitions page includes all the possible meanings, example usage and translations of the word trisection.


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Wiktionary

  1. trisectionnoun

    The division of an angle into three equal parts

Samuel Johnson's Dictionary

  1. Trisectionnoun

    Division into three equal parts: the trisection of an angle is one of the desiderata of geometry.

    Etymology: tres and sectio, Lat.

Wikipedia

  1. trisection

    Angle trisection is a classical problem of straightedge and compass construction of ancient Greek mathematics. It concerns construction of an angle equal to one third of a given arbitrary angle, using only two tools: an unmarked straightedge and a compass. Pierre Wantzel proved in 1837 that the problem, as stated, is impossible to solve for arbitrary angles. However, although there is no way to trisect an angle in general with just a compass and a straightedge, some special angles can be trisected. For example, it is relatively straightforward to trisect a right angle (that is, to construct an angle of measure 30 degrees). It is possible to trisect an arbitrary angle by using tools other than straightedge and compass. For example, neusis construction, also known to ancient Greeks, involves simultaneous sliding and rotation of a marked straightedge, which cannot be achieved with the original tools. Other techniques were developed by mathematicians over the centuries. Because it is defined in simple terms, but complex to prove unsolvable, the problem of angle trisection is a frequent subject of pseudomathematical attempts at solution by naive enthusiasts. These "solutions" often involve mistaken interpretations of the rules, or are simply incorrect.

Webster Dictionary

  1. Trisectionnoun

    the division of a thing into three parts, Specifically: (Geom.) the division of an angle into three equal parts

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Numerology

  1. Chaldean Numerology

    The numerical value of trisection in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of trisection in Pythagorean Numerology is: 6

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"trisection." Definitions.net. STANDS4 LLC, 2024. Web. 18 Mar. 2024. <https://www.definitions.net/definition/trisection>.

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