What is circumference Share with your friends Share 0 Sunanta Meitei answered this Dear user! Circumference of a circle is the length of its boundary. Hope it helps! Cheers! 6 View Full Answer Abha Kumari answered this circumference is nothing but perimeter of circle.it is given by2 pie r 0 aaishani answered this its a boundary of a circle 1 amitagoyal76... answered this the circumference of the circle is the boundry of the circle 1