L4574:”Well-spoken” by Miles
Posted by Encota on 18 Oct 2019
Title: Homophone for an (oil) well => “OILER” => Euler. Aha!
Well, mine looked like this:

I’d forgotten there was such a thing as a Nine-Point Circle, let alone what all the 9 points actually were. I see it is also known as Euler’s Circle, which is neat.
Tim / Encota
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