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Morley's trisector theorem

Morley's trisector theorem proper noun: a theorem stating that in any triangle, the three points of intersection of the adjacent angle trisectors form an equilateral triangle.

Proper noun

Morley's trisector theorem

  1. A theorem stating that in any triangle, the three points of intersection of the adjacent angle trisectors form an equilateral triangle.
    • Among the theorems proved by Wu's method are Simon's theorem, the nine point circle theorem, Pascal's theorem, Feuerbach's theorem, Morley's trisector theorem and Thébault's conjecture which was open over forty years and was proved only in 1983.1989, Paul Gochet, Eric Grégoire, et al., From Modal Logic to Deductive Databases, Wiley, page 8
    • The provers are practically efficient: a number of difficult theorems including Morley's trisector theorem, Thebault's recently confirmed conjecture and MacLane's non-existence of real 83 configuration have been proved by them in the matter of seconds.1996, Dongming Wang, GEOTHER: A Geometry Theorem Prover, M. A. McRobbie, J. K. Slaney (editors), Automated Deduction - Cade-13: 13th International Conference, Proceedings, Springer, LNAI 1104, page...
    Synonyms:
    Morley's theorem

Synonyms of Morley's trisector theorem

  • Morley's theorem

Origin of Morley's trisector theorem

Named for Anglo-American mathematician Frank Morley, who discovered it in 1899.

Questions about Morley's trisector theorem

What does Morley's trisector theorem mean?
Morley's trisector theorem means a theorem stating that in any triangle, the three points of intersection of the adjacent angle trisectors form an equilateral triangle.
What part of speech is Morley's trisector theorem?
Morley's trisector theorem is a proper noun.

Words near Morley's trisector theorem in the dictionary

  1. Morlet wavelet
  2. Morlet wavelets
  3. Morley
  4. Morley triangle
  5. Morley triangles
  6. Morley's trisector theorem
  7. Morleys
  8. morling
  9. morlings
  10. Morlock
  11. Morlocks

Source and license

Adapted from Wiktionary: Morley's trisector theorem (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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