it a triangle as a 2d shape
No, it is a 3D shape.
A triangular prism is a 3-d object. It does not have a 2-d name because it is not a 2-d object!
triangular prism or triangular pyramid
It will look like a 2D equilateral triangle if it is a triangular based pyramid which is called a tetrahedron.
it a triangle as a 2d shape
a triangle is 2D whereas a triangular prism is 3D.
No, it is a 3D shape.
You cannot have a 2d prism. The 2d cross section will depend on the plane of the cross section.
A triangular prism is a 3-d object. It does not have a 2-d name because it is not a 2-d object!
it is called a triangular prism
It could be called a pentahedral prism.
It is called a triangular prism.
A triangular prism is so called because the shape of the ends is a triangle. A triangular pyramid is so called because the shape of the base is a triangle.
a 2d triangle has 1 face known as a plane but a triangular prism has 4 faces
it is also called a triangular prism
triangular prism or triangular pyramid