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Characterizes spherical triangles with fixed base and area
geometry, Lexell's theorem holds that every spherical triangle with the same surface area on a fixed base has its apex on a small circle, called Lexell's circle
Lexell's_theorem
Finnish-Swedish mathematician and astronomer (1740–1784)
research of comet and planet motion. His name was given to a theorem of spherical triangles. Lexell was one of the most prolific members of the Russian Academy
Anders_Johan_Lexell
Fundamental result in geometry
one side length and one adjacent angle. More precisely, according to Lexell's theorem, given a spherical segment [ A , B ] {\textstyle [A,B]} as a fixed
Sum_of_angles_of_a_triangle
theorem (logic) Diaconescu's theorem (mathematical logic) Easton's theorem (set theory) Erdős–Dushnik–Miller theorem (set theory) Erdős–Rado theorem (set
List_of_theorems
Swiss mathematician (1707–1783)
ISSN 0003-9519. S2CID 121790508. Maehara, Hiroshi; Martini, Horst (2017). "On Lexell's Theorem". The American Mathematical Monthly. 124 (4): 337–344. doi:10.4169/amer
Leonhard_Euler
Shape with three sides
An important tool for proving the existence of these points is Ceva's theorem, which gives a criterion for determining when three such lines are concurrent
Triangle
consequence of the triangle area formula is the analog in the plane of Lexell's theorem about spherical triangles: all of the triangles with a fixed base side
Area_of_a_triangle
Geometry of figures on the surface of a sphere
this theorem can be reduced to a proof for a spherical triangle. For the case of a spherical triangle with angles A, B, and C this is Girard's theorem Area
Spherical_trigonometry
Quadrilateral whose vertices lie on a circle
δ of the quadrilateral. One direction of this theorem was proved by Anders Johan Lexell in 1782. Lexell showed that in a spherical quadrilateral inscribed
Cyclic_quadrilateral
edge-of-the-wedge theorem, Krylov–Bogolyubov theorem and describing function Aleksandr Kurosh, author of the Kurosh subgroup theorem and Kurosh problem
List_of_Russian_scientists
Ludwig Harding (1765–1834), German astronomer DMP · 2003 2004 Lexell 1973 SV2 Anders Johan Lexell (1740–1784), Finnish-Swedish-Russian astronomer and mathematician
Meanings of minor-planet names: 2001–3000
Meanings_of_minor-planet_names:_2001–3000
Krein–Milman theorem and Krein space, Wolf Prize winner Nikolay Krylov, author of the edge-of-the-wedge theorem, Krylov–Bogolyubov theorem and describing
List_of_Russian_people
1964 book by Isaac Asimov
Pythagoras Mathematics (c. 570-c. 495 BC). Best known for the Pythagorean theorem which bears his name. 8 Eupalinos Engineering an ancient Greek engineer
Asimov's Biographical Encyclopedia of Science and Technology
Asimov's_Biographical_Encyclopedia_of_Science_and_Technology
process Adiabatic process (quantum mechanics) Adiabatic shear band Adiabatic theorem Adinkra symbols (physics) Adjustable Ranging Telescope Adlène Hicheur Admittance
Index_of_physics_articles_(A)
American astronomer (1730–1813)
comets. In the early 1770s, West formulated theorems for the extraction of the roots of odd powers. His theorems were published in the first volume of the
Benjamin_West_(astronomer)
1770 in science and technology involved some significant events. July 1 – Lexell's Comet passes closer to the Earth than any other comet in recorded history
1770_in_science
LEXELLS THEOREM
LEXELLS THEOREM
Surname or Lastname
English
English : variant of Eales.
Girl/Female
Muslim
One of the many levels, Degrees of Love (1)
Girl/Female
Indian, Tamil
Attractive
Girl/Female
Muslim/Islamic
One of the many levels or degrees of love
Surname or Lastname
English
English : from a late Old English personal name Lēofweald, composed of the elements lēof ‘dear’, ‘beloved’ + weald ‘power’, ‘rule’.French : variant spelling of Level.
Girl/Female
Indian
One of the many levels, Degrees of Love
Female
English
Variant spelling of English Louella, LEWELLA means "famous warrior."Â
LEXELLS THEOREM
LEXELLS THEOREM
Girl/Female
Biblical
Quarrel, dispute.
Girl/Female
Assamese, Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Mythological, Sanskrit, Sindhi, Tamil, Telugu
Holy Book of the Hindus
Boy/Male
Hindu
Lord Vishnu
Female
Japanese
(1-美紀, 2-美姫, 3-美樹, 4-美貴) Japanese name MIKI means 1) "beautiful chronicle," 2) "beautiful princess," 3) "beautiful tree," or "priceless beauty."
Boy/Male
American, British, English
From the Stony Village
Male
Finnish
Finnish myth name of a hero of the Kalevala, a sorcerer or magician said to be able to "sing the sand into pearls." The LEMMINKÄINEN means of the name is unknown but it is probably related to the name Lempi, meaning "love."
Girl/Female
Latin
Venus's surname.
Girl/Female
Indian, Tamil
Literature
Girl/Female
Hindu
Twilight
Boy/Male
Armenian, Australian
Nomadic Cart
LEXELLS THEOREM
LEXELLS THEOREM
LEXELLS THEOREM
LEXELLS THEOREM
LEXELLS THEOREM
a.
Alt. of Theorematical
n.
A cage or platform and the hoisting machinery in a hotel, warehouse, mine, etc., for conveying persons, goods, etc., to or from different floors or levels; -- called in England a lift; the cage or platform itself.
adv.
In an even or level manner.
a.
Containing many names or terms; multinominal; as, the polynomial theorem.
n.
One who, or that which, levels.
n.
One who constructs theorems.
n.
That which is considered and established as a principle; hence, sometimes, a rule.
n.
A shaft, smaller and shorter than the principal one, joining different levels.
n.
The enunciation of a self-evident problem, in distinction from an axiom, which is the enunciation of a self-evident theorem.
v. t.
To formulate into a theorem.
n.
An inclined plane serving as a communication between different interior levels.
n.
A statement of a principle to be demonstrated.
a.
Theorematic.
a.
Of or pertaining to a theorem or theorems; comprised in a theorem; consisting of theorems.
n.
A square hall lighted from above, into which rooms open at one or more levels.
n.
A numerical coefficient in any particular case of the binomial theorem.
n.
A theorem or proposition so easy of demonstration as to be almost self-evident.