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Message: <blockquote data-quote="imhotep" data-source="post: 29891466" data-attributes="member: 562115">It should not have been asked as it's not very clear to a student. BTW a circle doesn't have infinite sides either.The apeirogon is an extension of the definition of regular polygon to a figure with an infinite number of sides. It's derived from the Greek word Aperios ἄπειρος” which means infinite or boundless. Apeirogons are the two-dimensional case of infinite polytopes.A circle has 0 sides. Check the definition of a side/edge.PS: You can still consider to think a circle as an extension of a polygon with infinite sides and arrive at useful results. This is exactly the approach that Archimedes, Liu Hui, and many others have used down the centuries to study circular geometry, including coming up with approximations for π and the area of the circle πr^2.</blockquote>

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