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7 days ago
This question was
from MathOverflow because it can be answered on Mathematics Stack Exchange.
Migrated 7 days ago
The popular way to determine the circumcenter of a triangle is to find the intersection of two perpendicular bisectors, but I noticed the
wikipedia page for circumscribed circle also describes a method involving cross products and dot products -- no intersections! Is there an intuitive explanation for that particular formula? $\endgroup$
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