File:Almagesto Libro I FIG 02.png

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Description
Español: Teorema de Ptolomeo.

Es una relación en geometría euclidiana entre los cuatro lados y las dos diagonales de un cuadrilátero cíclico. El teorema recibe su nombre del astrónomo y matemático griego Claudio Ptolomeo.

Si un cuadrilátero está dado por sus cuatro vértices A, B, G, D, el teorema afirma que:

Esta relación puede ser expresada de manera verbal de la siguiente forma:

En todo cuadrilátero inscribible en una circunferencia, la suma de los productos de los pares de lados opuestos es igual al producto de sus diagonales.
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Source Own work
Author Fernando de Gorocica

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Date/TimeThumbnailDimensionsUserComment
current13:03, 19 September 2018Thumbnail for version as of 13:03, 19 September 2018379 × 429 (6 KB)Fernando de Gorocica (talk | contribs)Círculo.
21:35, 21 May 2015Thumbnail for version as of 21:35, 21 May 2015379 × 378 (6 KB)Fernando de Gorocica (talk | contribs)User created page with UploadWizard

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