circle

simple curve of Euclidean geometry

en-GB/ˈsɜːkəl/
en-US/ˈsɝkəl/

分类：

rosecurve of constant widthconic sectiongeometric primitiveZindler curvesinusoidal spiralshapelocushypersphereRibaucour curveellipseanalytic manifoldgeneralised circlegeometric shape