there are four plane surface in a ractangle.
there are three plane surface in a ractangular.
A rectangular prism has 6 faces.
8
4
it is a Pentagon prism .
None. There is one curved suface but no plane surface.
Six.
yes, a plane is a falt surface, because infinite flat surface is a plane.
A cube has 6 faces
No, the reflecting surface of a sculpture is typically not a plane surface like that of a plane mirror. It often has irregularities, textures, and contours that can distort the reflected image or create unique reflections.
plane
do you mean in the plane as in "airplane" or as is the surface plane of the gemstone? because the answer is yes if it is the surface plane NO.....!!!