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Talk:Ideas in Geometry/Spherical Geometry

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Latest comment: 1 year ago by Kbkmoore in topic Description of arcs

Description of arcs

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Latest comment: 1 year ago1 comment1 person in discussion

"If an arc is extended, it will form a great circle. A great circle, however is the end of the lines path".

I can think of two points drawn in the upper hemisphere of a sphere whose arc will not produce a great circle when extended. Is it implied that these points must be antipodal?

Also is that that supposed to be "line's path"? Kbkmoore (discuss • contribs) 13:15, 25 February 2023 (UTC)Reply

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