12
A cuboid has 6 flat faces but no curved surfaces. ..________ ./............../| /_______/.| |..............|.| |..............|./ |_______|/
None. A cuboid has six flat surfaces.
None.
None.
None.
None.
None.
None.
A rectangular prism is a cuboid. It has no curved faces.
i'm pretty sure it's none
Flat surfaces: 6Curved surfaces: 0.
A cuboid has no curved edges; all of its edges are straight. It consists of 12 edges in total, which connect its 8 vertices. Each edge is formed by the intersection of two faces that are rectangular in shape.