Given that :
Diameter is 2 cm
The circumference of the circle=
The circumference of the circle=6.28 cm.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=741012d2ee9e7f94f552bbe783845419.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=90f8443815f93e60a4bc85cf60e7410a.png\")
The circumference of the circle=![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1566d633466f833475d29f28d5862b06.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a5da6010f6db3191ffa6caee5a1b5725.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=14d9f947eb843b87b93ccadad9c0e9b0.png\")