noun🔗ShareTetraedroA polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids."The student built a model of a tetrahedron for her geometry project, using four equilateral triangles to form its faces. "El estudiante construyó un modelo de un tetraedro para su proyecto de geometría, utilizando cuatro triángulos equiláteros para formar sus caras.mathstructureChat with AIVocabulary GamePractice Reading
