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Newton's Theorem (Quadrilateral)

Geometry

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/

Facts
Classification
Statement Form
Existence Theorem 1
Connections

Named After

Isaac Newton, Mathematicians

Derived from the theorem's own name (unambiguous possessive-token match to exactly one live mathematician entity, w-bfill-g5-0924 browse backfill)

Sources
1. Newton's theorem (quadrilateral) (Wikipedia)
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