this post was submitted on 08 Jun 2025
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[–] Pulptastic@midwest.social 35 points 11 hours ago (2 children)

A square must also have two pairs of parallel sides.

[–] semperverus@lemmy.world 5 points 9 hours ago

Calculus can find you two pairs of parallel sides, right there on the circle!

[–] MBM@lemmings.world 1 points 8 hours ago (1 children)

No it doesn't. Right angles + equal length is a sufficient condition

[–] CyberEgg@discuss.tchncs.de 7 points 4 hours ago

No, it isn't. A square is a plain, convex and regular quadrilateral with four internal right angles.