A seven sided figure.
a stop sign
As far as I ah aware, they are not at all common. Drinks coasters are about the only things that I can think of.
a heptagon has 7 sides
Hept = sept = 7 in French
A Heptagon is a 7-Sided object
A seven sided figure.
anything that has 7 sides
yes there is the JOINN's Planned Heptagon Faculty.
A seven sided polygon
a heptagon
"Hyoid" describes an object shaped like the letter U.
A Heptagon is a 3d object with 7 faces. An example of a heptagon is a hexagonal pyramid (that is a pyramid with a hexagon for the base).
a stop sign
heptagon
Heptagon .
A seven sided shape