noun🔗Share사면체A 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. "그 학생은 기하학 프로젝트를 위해 사면체의 모형을 만들었고, 네 개의 정삼각형을 사용하여 면을 만들었습니다.mathstructureChat with AIVocabulary GamePractice Reading
