It's 2D shape is a square. A 3D shape. 6 rectangular faces.

How many faces rectangle have?

A rectangular prism has 6 faces, 8 vertices (or corners) and 12 edges. To build a rectangular prism with construction materials, we would need 6 rectangles that join at the edges to make a closed three-dimensional shape or 12 edge pieces and 8 corner pieces to make a frame of a rectangular prism.

What is the face of rectangle?

A rectangular prism is a three-dimensional shape, having six faces, where all the faces (top, bottom, and lateral faces) of the prism are rectangles such that every two opposite side faces are identical.