Category
page 1Triangle inequalities
Euler's theorem in geometry
theorem describing distance between circumcentre and incentre of a triangle
Pedoe's inequality
inequality applying to triangles
Erdős–Mordell inequality
inequality relating the sum of distances to the sides of a triangle with the sum of distances to its vertices
Hadwiger–Finsler inequality
an inequality involving the side lengths and area of a triangle
Weitzenböck's inequality
inequality of sum of squares of sides of triangle
Ono's inequality
inequality applying to acute and right triangles
Barrow's inequality
inequality relating the sum of distances of a point to a triangle's vertices with the sum of distances to the vertices of the incentral triangle

list of triangle inequalities
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