Hemisphere coverage: https://www.cut-the-knot.org/m/Probability/HemisphereCoverage.shtml … #FigureThat #math #probabilitypic.twitter.com/RKQ4iyTbHR
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Sorry, what am I misunderstanding: Take a hemisphere with great circle parallel to xy plane, then duplicate it. 1. Rotate it about z axis => totally overlapping 2. Rotate about y axis => great circle always concurrent 3. Rotate about x axis => great circle always concurrent
Three at a time, not two
Thanks. Got it now (the problem, not the answer haha).
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