In Euclidean geometry, Newton's theorem states that in every tangential quadrilateral other than a rhombus, the center of the incircle lies on the Newton line of that quadrilateral. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
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Source Wolfram MathWorld: Newton's Theorem
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1. Newton's theorem (quadrilateral) (Wikipedia)
Wolfram MathWorld: Newton's Theorem
Wolfram MathWorldIn Branch: Algebraic Geometry, Subject classificationsQuote, In Branch: Algebraic Geometry, Subject classifications
Algebra Algebraic Geometry
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