Further Questions about Tetrads
12. What about circles and tetrads?
The outline of a tetrad can be a circle.
Two tiles can form a circle with point symmetric dissection lines. The shape of the tetrad is mirror symmetric.
The tiles of a tetrad can be made of three arcs with different lengths, but with the same radius.
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Walter Trump, Nürnberg, Germany, ms(at)trump.de, © 2020-02-12 (last modified: 2020-02-12)