Share this postA Piece of the Pi: mathematics explainedGeodesics and polyhedraCopy linkFacebookEmailNotesMoreGeodesics and polyhedraRichard GreenApr 20, 2025∙ Paid9Share this postA Piece of the Pi: mathematics explainedGeodesics and polyhedraCopy linkFacebookEmailNotesMore11ShareSubscribeA geodesic on a convex surface is a curve on the surface that is “locally straight”. For example, a geodesic curve on a sphere is a great circle, meaning a circle whose radius is the same as the radi…This post is for paid subscribersSubscribeAlready a paid subscriber? Sign inPreviousNext