0
Wiki User
None. A triangle is a 2-D figure, not a 3-D figure. Therefore, the concepts of faces and bases do not apply to it.
5
3
Four.
Four
4
four triangle faces.
There are 2 triangle base faces, and 3 rectangle faces. 5 total faces.
5 faces
1
7.5
a 2d triangle has 1 face known as a plane but a triangular prism has 4 faces
trianle have no faces, because it is 2D figure.
One
None.