5:52 AM
I have removed deprecated geometry tag in two questions that were bumped today. If you have some suggestions for some other tags suitable there, I will be grateful.
A side note - I was hesitant to edit it since I am not a native speaker - is quadrupel an English word? Should it be quadruplet?
4
Given 4 points $A$, $B$, $C$ and $D$ in general position in the euclidean plane, is it possible to determine from the 6 distances $AB$, $BC$, $CD$, $AD$, $AC$ and, $BD$ alone, whether every point is a corner of their convex hull under the restriction that comparing sums and/or differences of the ...
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