of radius r or a square of side length a? do you need some kind of quadruple or double integral or is there a trick?(adsbygoogle = window.adsbygoogle || []).push({});

sorry, i meant two points either in the interior of said shape or on the boundary.

for the circle, by symmetry, is that the same as the average distance between a point and the origin? that is, i think, 2r/3. note that the max distance is 2r and the min distance is 0.

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# Average distance between points on a circle

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