Poly is the word for many, probably Greek.
A 7-sided polygon is called a heptagon. The word derived from Greek. If it derived from Latin it might be called a septagon, but that is not the case.
A nine-sided regular polygon is called a nonagon or an enneagon. The word nonagon is a hybrid-word where the prefix non- derives from Latin while the suffix -gon derives from Greek.
The correct name in English for a 7-sided polygon is "heptagon." The word "septagon" is used incorrectly by some who do not understand that the names of polygons are derived from Greek, not from Latin. The Latin word for "seven is "septem" but the Greek word is "hexa."
A convex polygon.I suspect that what you mean is a convex polygon.
A polygon comes from a Greek word meaning 'many sides'
polygon
Polygonum in Latin is a "polygon". It is originally a Greek word (polygonon) meaning "many-angled thing".
Poly is the word for many, probably Greek.
The ancient Greeks because polygon come from a Greek word meaning 'many sides'
A polygon can have 8 sides but does not have to. The word "Polygon" is made up of two words: "poly-" and "-gon" which have Greek roots which mean "many" and "angle" respectively; literally a "polygon" is a "many angled shape". A polygon is any shape that has 3 or more sides. An 8 sided polygon is called an octagon (literally "eight angles").
Because the Greek word polyhedron means many faces and the Greek word polygon means many sides
A 7 sided polygon is called heptagon. "Hepta" derives from the Greek word: επτά (spelled epta) which means 7, while "gon" derives from the Greek word: γωνία (spelled gonia) which means angle.
Four-sided polygon.
There is no established English word for a 100-sided polygon. However, there are three possible names: 100-gon Hectogon - Greek name Centagon - Latin/Greek name
There is no such word in Greek.
It is the Greek word for "battle".