Regular Apeirogons
A regular apeirogon has equal-length sides and equal corner angles, just like any regular polygon. Its Schläfli symbol is {∞}.
If the corner angles are 180°, the overall form of the apeirogon resembles a straight line:
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This line may be considered as a circle of infinite radius, by analogy with regular polygons with great number of edges, which resemble a circle.
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