It is a hexahedron. There are several types of hexahedron, one of which is the cube. One having 6 triangular faces is a triangular dipyramid.
Pyramid
Triangle
tetrahedron
The answer is a polyhedron
a pyramid
A pyramid.
triangle... because pyramids are triangular therefore triangular pyramids have triangle faces
Only one; a triangle is a 2D shape, not a 3D shape. Usually only 3D (or more) shapes are considered to have 'faces'.
Triangular Prism
A triangle has only one face and, not surprisingly, its shape is a triangle.
triangle
its a triangle, circle,