Pencils are cut into a hexagonal shape for a variety of reasons. One reason is so that the pencil does not roll off a flat surface, such as a desk, quite so easily. Another reason for being cut hexagonally is so that they can stack more easily.
To stop them from rolling
Pencils are hexagonal.
it is naturally found in Hexagonal shape latter it can be re-cut in any shape as desired
it is naturally found in Hexagonal shape latter it can be re-cut in any shape as desired
Cylindrical, because it can be formed on a rotating wheel, or hexagonal, as it makes it easier to hold.
A hexagon.
If there is an eraser, then 12 edges (6 on the hexagonal pencils sides and 6 on the sharpened point) If there isn't any eraser, then 18 edges (6 on the hexagonal pencils sides, 6 on the sharpened point, and 6 on the top).
So they don't roll off your desk.
See the related links for a picture of this shape:See the related links for a PDF that shows you how to cut out this shape
A hexagonal pyramid.A hexagonal pyramid.A hexagonal pyramid.A hexagonal pyramid.
hexagonal pyramid
A hexagonal prism.