None. A cuboid has six flat surfaces.
None.
A cuboid has 6 flat faces but no curved surfaces. ..________ ./............../| /_______/.| |..............|.| |..............|./ |_______|/
Flat surfaces: 6Curved surfaces: 0.
A cuboid has got six flat surfaces.
5
A cone has one curved surface.
none
It has one.
There are none
There is 1 curved surface on a sphere
None.
None normally
a hexagonal prism has 0 curved surfaces
It is a cube or a cuboid
a cube has 0 curved faces and 6 straight face
it has 0 curved faces