2 "Ficheiro:Cardioid_is_pedal_of_circle.svg".

Ficheiro:Cardioid is pedal of circle.svg

I, the copyright holder of this work, hereby publish it under the following license: English Cardioid Russian Кардиоида Arabic منحنى قلبي Japanese カージオイド...

Ficheiro:Circle transformation cycle 2. Pedal-inversion-pedal-inversion.svg

I, the copyright holder of this work, hereby publish it under the following license: English Polar transformation of circle Russian Полярное преобразование...

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