Is a prism 2D or 3D?
corners or vertices which are connected by three straight lines. A triangle is probably the simplest shapes in geometry, present even in arithmetic. Cube and cuboid may also be called square prism and rectangular prism respectively.
The figures and this can be described by mentioning two dimensions called length and breadth, are called 2D-shapes or plane figures. A light gray color mark appears on the surfaces which are currently visible.
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