a rectangle
A flat head typically has a broad, straight surface with minimal protrusions or curvature. It may also refer to the shape of a screw head that is wide and flat, providing a flush finish when secured.
any nose, really. unless you have a flat, wide nose.
Bed bugs are flat in shape.
Type-B is square. Type-A is wide & flat. The A-Male connector is flat and wide, and the B-Male is square.
There can be no such shape. If there were a shape with n flat surfaces, then if you sliced off one vertex, you would have a shape with n+1 flat surfaces. So it is always possible to add one more flat surface.
The best shape for floating is generally a shape that is stable in water, such as a wide and flat shape like a paddle or a raft. This shape allows for better weight distribution and balance on the water surface. Square or rectangular shapes also work well for floating objects.
the face
A mesa is a small mountain with a wide, flat top.
Sphere
no
flat
The square port is USB 2.0, and the flat and wide one is USB 1.1.