The constant chord theorem is a statement in elementary geometry about a property of certain chords in two intersecting circles. The circles k 1 {\displaystyle...
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(geometry) Constant chord theorem (geometry) Conway circle theorem (Euclidean plane geometry) Crossbar theorem (Euclidean plane geometry) Dandelin's theorem (solid...
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mean value theorem says that given any chord of a smooth curve, we can find a point on the curve lying between the end-points of the chord such that the...
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Power of a point (redirect from Chord-chord power theorem)
intersecting secants theorem and chord theorem the power of a point plays the role of an invariant: Intersecting secants theorem: For a point P {\displaystyle...
19 KB (3,476 words) - 09:59, 23 June 2025
Circle (redirect from Secant-secant theorem)
the circle at A and if AQ is a chord of the circle, then ∠DAQ = 1/2arc(AQ). The chord theorem states that if two chords, CD and EB, intersect at A, then...
46 KB (6,352 words) - 00:53, 15 April 2025
Circular segment (section Chord length and height)
a chord. More formally, a circular segment is a plane region bounded by a circular arc (of less than π radians by convention) and the circular chord connecting...
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angles, respectively. Theorems on the lengths of chords are applications of the law of sines. And Archimedes' theorem on broken chords is equivalent to formulas...
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Visual calculus (redirect from Mamikon's theorem)
Pythagorean theorem. Mamikon's method, however, envisions an alternate construction of the ring: first the inner circle alone is drawn, then a constant-length...
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Borel summation (section Summability on chords)
}{8}}}-S(1)<\infty ,} where S(x) is the Fresnel integral. Via the convergence theorem along chords, the Borel integral converges for all z ≤ 2 (the integral diverges...
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circle's center bisecting a chord is perpendicular to the chord. If the intersection of any two perpendicular chords divides one chord into lengths a and b and...
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inequality and Barbier's theorem, the circle has the maximum area of any curve of given constant width. The Blaschke–Lebesgue theorem says that the Reuleaux...
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a uniform fluid at a constant speed so large that the flow seen in the body-fixed frame is steady and unseparated. The theorem relates the lift generated...
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Parabola (redirect from Lambert's Theorem)
{CM} }}=2r} (PMCK is a parallelogram). Using the intersecting chords theorem on the chords BC and DE, we get B M ¯ ⋅ C M ¯ = D M ¯ ⋅ E M ¯ . {\displaystyle...
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Planar graph (redirect from Theorem P)
maximal planar graphs to a theorem of Hassler Whitney. Seymour, P. D.; Weaver, R. W. (1984), "A generalization of chordal graphs", Journal of Graph Theory...
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Algebraic curve Arc Asymptote Asymptotic curve Barbier's theorem Bézier curve Bézout's theorem Birch and Swinnerton-Dyer conjecture Bitangent Bitangents...
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Sine and cosine (redirect from Half chord)
koti-jyā and utkrama-jyā; sine and chord are closely related in a circle of unit diameter, see Ptolemy’s Theorem). This was transliterated in Arabic...
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such as in feet. The relationship of versine, chord and radius is derived from the Pythagorean theorem. Based on the diagram on the right: O C = O A 2...
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\dots ,4} , Descartes' theorem says: If one of the four curvatures is considered to be a variable, and the rest to be constants, this is a quadratic equation...
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Treewidth (redirect from Grid minor theorem)
the class if a tree-decomposition with constant bounded treewidth is provided. Specifically, Courcelle's theorem states that if a graph problem can be...
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while still an undergraduate, in which he introduced the Lévy–Steinitz theorem. His teacher and advisor was Jacques Hadamard. After graduation, he spent...
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Fourier transform (redirect from Fourier shift theorem)
Beevers–Lipson strip Constant-Q transform Discrete Fourier transform DFT matrix Fast Fourier transform Fourier integral operator Fourier inversion theorem Fourier...
177 KB (21,313 words) - 14:22, 28 June 2025
circle's interior. Tangent lines to circles form the subject of several theorems, and play an important role in many geometrical constructions and proofs...
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{\displaystyle \phi _{m}} less than π / 2 {\displaystyle \pi /2} about its chord. Note that ϕ {\displaystyle \phi } denotes latitude, as used in geophysics...
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In algebraic geometry, Cramer's theorem on algebraic curves gives the necessary and sufficient number of points in the real plane falling on an algebraic...
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Dottie number (redirect from Dottie constant)
In mathematics, the Dottie number or the cosine constant is a constant that is the unique real root of the equation cos x = x {\displaystyle \cos x=x}...
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editor E (programming language), an object-oriented programming language E (theorem prover), a modern, high performance prover for first-order logic e (verification...
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geometry, two diameters of a conic section are said to be conjugate if each chord parallel to one diameter is bisected by the other diameter. For example...
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Concyclic points (redirect from Polygon circumscribing constant)
concyclic, with different circles; see Nine-point circle and Lester's theorem. The radius of the circle on which lie a set of points is, by definition...
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direction of motion. Airfoils use the square of the chord length as the reference area; since airfoil chords are usually defined with a length of 1, the reference...
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strong perfect graph theorem as being the graphs with no odd holes or odd anti-holes. The hole-free graphs are the same as the chordal graphs. homomorphic...
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