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Euclidean, hyperbolic, discrete, convex, coarse geometry, metric spaces, comparisons in Riemannian geometry, symmetric spaces.

3 votes
1 answer
1k views

How to partition a quadrilateral into a finite number of equal-area triangles

A quadrilateral can be partitioned into 2 equal-area triangles if and only if one diagonal divides equally the other diagonal. It can be proved that most quadrilaterals cannot be partitioned into 3 …