A tetrahedron (or triangular pyramid) has 4 triangular faces.
A tetrahedron.
it has 4 faces and each face is a triangle.
Assuming that a solid triangle is a tetrahedron, the answer is: faces: 4 edges: 6 vertices: 4
Poy
Tetrahedron
4
Pyràmid
its a triangle, circle,
a triangle- based pyramid has 4 faces
A tetrahedron (4 faces) and an icosahedron (20).
Pyramid
a pyramid, in the sense that most people think of has a square base, with 4 triangle 'sides', which would be 5 faces. A regular tetrahedron has 4 equilateral triangles as faces.