The face of a triangle is the flat surface of the solid figure.
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A face is a side of a 3 dimensional figure. So, the number of faces a triangle would be 0.
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A triangle is a 2D object, and faces can only be found on 3D objects.But yes, the bottom line of a triangle is still a side, and the bottom face of a 3D object with a triangular face is still a face.
A tetrahedron is an example of a triangular pyramid. Every face is a triangle, and each face touches every other face on one edge.
A triangle has three faces. In geometry, a face refers to a flat surface of a three-dimensional shape. Since a triangle is a two-dimensional shape with three sides, it has three faces, one for each side. Each face of a triangle is a polygon with three vertices and three edges.
A triangle (and all 2-dimensional or plane figures) have only one face.
in a triangle "IRH"