Anne's theorem

# Theorems about quadrilaterals

British flag theorem

Euler's quadrilateral theorem

Thébault's theorem

Thébault's theorem Thébault's 3 problems Thébault's theorem is the name given variously…

Ver teoremaTheorem of the gnomon

Theorem of the gnomon Gnomon: {displaystyle ABFPGD} Theorem of the Gnomon: green…

Ver teoremaFinsler–Hadwiger theorem

Finsler–Hadwiger theorem This article is about the theorem on squares. For the…

Ver teoremaAnne's theorem

Anne's theorem, named after the French mathematician Pierre-Leon Anne (1806–1850), is a statement from Euclidean geometry, which describes an equality of certain areas within a convex quadrilateral.

Ver teoremaAnne's theorem

Anne's theorem The sums of the areas of opposing triangles are equal,…

Ver teorema