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angle sum theorem · Vinony

EntityQ7840113· pop 16· linked from 14 articles

angle sum theorem

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theorem that, in Euclidean geometry, the sum of angles of a triangle is π radians

Connections

Euclidean geometry

list of trigonometric identities

hyperbolic geometry

parallel postulate

International Standard Book Number

Pythagorean theorem

digital object identifier

Categories

Geometry Triangle geometry

Sources

wikipedia.externallinksexternallink

What links here14 pages

solution of triangles

Gauss–Bonnet theorem

inscribed angle

180-degree rule

Pythagorean theorem

triangle inequality theorem

exterior angle theorem

hyperbolic triangle

Thales' theorem

parallel postulate

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