An octahedron: two quadrilateral based pyramids with their bases together.
A triangular prism (like a bar of toblerone).A triangular prism.
Triangular.A pyramid has triangular faces
Triangular Prism
A hexahedron or a triangular dipyramid. This is the shape formed by two triangular pyramids (tetrahedrons) stuck together along one triangular face.
A shape that has 8 triangular faces is a octahedron.If you want to see a picture of a octrahedron here is a website.http://en.wikipedia.org/wiki/File:Octahedron.svgI had this as a maths question it was hard.
A shape that has some triangular faces is a pyramid.
It is an octahedron which is one of the Platonic Solids having 8 equilateral triangular faces and 12 edges.
A triangular based pyramid
triangular based pyramid
Triangular Pyramid......... The faces are Triangular....
An octahedron: two quadrilateral based pyramids with their bases together.
triangular prism
An octahedron.An octahedron.An octahedron.An octahedron.
triangular prism
a triangular prism
triangle... because pyramids are triangular therefore triangular pyramids have triangle faces