What HAS 4 triangular faces?? A tetrahedron.
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A triangular based pyramid has 4 faces, 6 edges and 4 vertices.
A triangular based pyramid (tetrahedron) has 4 triangular faces, 6 edges and 4 vertices.
A Triangular Based Pyramid is a Pyramid which has triangular faces and a triangular base. It has 4 vertices, 6 sides, and 4 faces. A Triangular Based Pyramid is also called a Tetrahedron
A triangular based pyramid which is a tetrahedron has 4 faces, 6 edges and 4 vertices
A rectangular pyramid has 5 faces: a rectangular base, and 4 triangular faces.