1. DomName('Path2D.arc')
  2. DocsEditable()
  3. Experimental()
void arc(num x, num y, num radius, num startAngle, num endAngle, bool anticlockwise)

Source 

@DomName('Path2D.arc')
@DocsEditable()
@Experimental() // untriaged
void arc(num x, num y, num radius, num startAngle, num endAngle, bool anticlockwise) => _blink.BlinkPath2D.instance.arc_Callback_6_(this, x, y, radius, startAngle, endAngle, anticlockwise);