EntityQ6042609· pop 9· linked from 28 articlesinteger triangleSign in to savetriangle with integer side lengthsConnectionsincircle and excircles of a triangleEntitysimilarityEntitygreatest common divisorEntitytetrahedronEntitynon-Euclidean geometryEntitysymplectic geometryEntityacute or obtuse triangleEntitysine and cosineEntitycircumscribed circle for triangleEntitygeometryEntitytriangleEntityareaEntitytrigonometryEntitycircleEntityangleEntityprime numberEntityintegerEntitytopologyEntityrational numberEntityvolumeEntityCategoriesArithmetic problems of plane geometryDiscrete geometrySquares in number theoryTypes of triangles