Is a circle a regular polygon?

Answer 1

Technically, no. If you're a little clever, though, you can view it as a regular polygon with an infinite number of sides.

Answer 2

A circle is not a polygon.

Main Entry: poly·gon
Pronunciation: \ˈpä-lē-ˌgän\
Function: noun
Etymology: Late Latin polygonum, from Greek polygōnon, from neuter of polygōnos polygonal, from poly- + gōnia angle — more at -gon
Date: 1571
1 : a closed plane figure bounded by straight lines
2 : a closed figure on a sphere bounded by arcs of great circles
— po·lyg·o·nal \pə-ˈli-gə-nəl\ adjective
— po·lyg·o·nal·ly \-nəl-ē\ adverb

Answer 3

no. a polygon is a plane figure with 3 or more straight sides. a circle has exactly one side - and it ain't straight.