PushyCake

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1349

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halp on these 2

Given a regular octagon, in how many ways can we color one diagonal red and another diagonal blue so that the two colored diagonals cross (in the interior)? Consider rotations and reflections distinct.

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PushyCake Mar 28, 2020

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1516

2

+8

King authur's table problems

(1)10 chairs are arranged evenly around King Arthur's round table. In how many ways can 10 knights be seated in the chairs, if Sir Lancelot and Sir Gawain insist on being seated diametrically opposite each other?

(2)
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PushyCake Mar 28, 2020