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Solving oblique triangles
(2011)
Descobrindo as razões trigonométricas no triângulo retângulo
(Universidade Federal de São CarlosBRUFSCarPrograma de Mestrado Profissional em Matemática em Rede Nacional - PROFMAT, 2013-03-23)
One of the important consequences of trigonometry is the ratio that exists between sides of similar triangles. Such reason appears frequently in many everyday problems and can be quite explored in the classroom. The aim ...
Aire du triangle
(Mathematiques et sciences physiques, 2012)
Another relation between the areas of triangles associated with an excircle
(Wolfram Demonstration Project, 2011)
A triangle formed by the centers of three nine-point circles
(Wolfram Demonstration Project, 2011)
Two triangles of equal area on either side of an angle bisector
(Wolfram Demonstration Project, 2011)
The excentral triangle and a related hexagon
(Wolfram Demonstration Project, 2011)
Concyclic circumcenters
(Wolfram Demonstrations Project, 2011)
Une propriété de l'orthocentre
(Rdassonval, 2011)
Another concurrency generated by circles about a triangle's sides and lines through an internal point
(Wolfram Demonstration Project, 2011)