none unless u consider a circle has a face
* * * * *
In fact, any two dimensional closed figure: triangle, quadrilateral, other polygons, circle, ellipse, wriggly loop all have 1 flat face.
perabale
An ellipse.
A circle, ellipse or similar shape.
Cone
A sphere intersected by a plane, which could be a hemisphere. Alternatively, a cone, or a paraboloid.
perabale
hemisphere
hemisphere
A flat one! (:
Its an Cylinder
A cone. It has a circle for the base, and a curved face tapering to a point.
An ellipse.
A circle, ellipse or similar shape.
Cone
fwf
Semi Circle
A sphere sliced by a plane; or a cone.