Make a polyhedron with 4 triangle faces. As the first of 5 Platonic solids the tetrahedron is also called a pyramid and is the foundation for many projects! Tetra- means 4, representing the 4 triangles to create this 3D shape.
Make a polyhedron with 4 triangle faces. As the first of 5 Platonic solids the tetrahedron is also called a pyramid and is the foundation for many projects! Tetra- means 4, representing the 4 triangles to create this 3D shape.