An image showing Cardioide. Cardioide is a flat curve drawn by a point on the perimeter of a circle that revolves around a fixed circle of the same ra Stock Vector Image
La cardioide
Cardioid - Wikipedia
File:Cardioide - 2.png - Wikimedia Commons
La cardioide – Página Web de Joaquín Pérez
La cardioide
Cardioid Mic : What is it? Everything you need to know : Blog - Magroove for Artists