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Another Circle Puzzle

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Another puzzle I found on John Baez's blog. It seems to have been discovered and published only as recently as 2011. Baez's post gives a reference.

Two touching semi-circles, aligned as shown, are inscribed in a circle.

You might think you need more information, such as the relative sizes of the semi-circles perhaps. But in fact it doesn't make any difference.

I will post my solution on 6 March.

Permalink 3 comments (latest comment by Jan Pinfield, Friday, 5 Mar 2021, 09:37)
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Mysteries of the Equilateral Triangle - Puzzle Solution

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Here is the solution I can up with.

Permalink 2 comments (latest comment by Richard Walker, Friday, 5 Mar 2021, 01:01)
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