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submitted 3 days ago by [email protected] to c/[email protected]
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[-] [email protected] 14 points 3 days ago

An infinitely small segment of the arc can be.
Geometrically there isn't a problem. If you draw a line from that point to the center of the arc, it will make it clearer.

[-] [email protected] 5 points 3 days ago* (last edited 3 days ago)

I guess if we define it as a calculus problem, I can see the point..

I didn’t mean to pun but there it is and I’m leaving it. Any way, there is no infinitely small section that’s perpendicular. Only the tangent at a single (infinitely small) point along a smooth curve, as we approach from either direction. Maybe that’s still called perpendicular.

this post was submitted on 06 Jul 2025
316 points (83.3% liked)

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