A curve(?) where every tangent intersects it at distance 1

Answering yet another [url=http://twitter.com/jamestanton/status/649191768815079424]great question[/url] from James Tanton.

Roy Wright — 30 settembre 2015 - 12:39

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Basato su: The foci of an ellipse, reflected across its tangents (2)
Condiviso da Roy Wright