Joined October 2020
For fun! 馃殌
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How self-evident is this? [What proofs can you come up with?]
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Steiner's theorem applies. That's all! geogebra.org/m/yAJ7UnNR
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The mathematical relation (x虏/y虏 + x虏/z虏 = 4) is valid in any regular decagon! 馃殌
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Eduard retweeted
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For fun! 馃殌
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