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Ptolemy's theorem · Vinony

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EntityQ459547· pop 43· linked from 173 articles

Ptolemy's theorem

theorem

Article

Ptolemy's theorem is a relation among these lengths in a cyclic quadrilateral.

A C

Connections

Diophantus of Alexandria

Categories

Ancient Greek mathematics Euclidean plane geometry Ptolemy Theorems about quadrilaterals and circles

Sources

wikipedia.externallinksexternallink

inscribed angle

Entity

Greek mathematics

inversive geometry

Nicolaus Copernicus

Stephen Hawking

International Standard Book Number

Pythagorean theorem

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What links here173 pages

Pappus of Alexandria

Menelaus of Alexandria

Measurement of a Circle

Ptolemy's inequality

concyclic points

Eudemus of Rhodes

regular polygon

Diophantine equation

doubling the cube

Diophantus of Alexandria

Theon of Alexandria

angle trisection

Callippus of Cyzicus

Sporus of Nicaea

geometric mean theorem

Archimedes Palimpsest