Meaning of Tetrahedra
Unknown / অজানা / अज्ञात
Geometry. a solid contained by four plane faces; a triangular pyramid.
any of various objects resembling a tetrahedron in the distribution of its faces or apexes.
a solid figure having four plane faces. A regular tetrahedron has faces that are equilateral triangles See also polyhedron
any object shaped like a tetrahedron