6
A rectangular prism has 6 faces.
A prism has two polygonal faces at each end and these may have any number of sides, n. The prism also has n rectangular faces.
Rectangular prism Cube
In a triangular prism, there are 2 triangular faces and 3 rectangular faces.
A triangular prism has three rectangular faces and two triangular faces.
A rectangular prism is the only shape that is made up from only rectangular faces. But there are countless shapes which contain rectangular faces along with other shapes.
A cube and a rectangular prism.
The differnence is that a triangular prism has 5 faces and and rectangular prism had 4 faces.
3 rectangular faces and 2 triangular faces
They are all rectangles.
Octagonal prism - Number of vertices-16 Number of rectangular faces-8 Total number of faces-10
Triangular prism is one and another one is the rectangular prism