![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Find the perimeter of the circle.
\Observe the figure:
\Here radius of the circle is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b54a3b135bcb205b9282aa1fbd04557f.png\")
.
The perimeter of the circle is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=26e4a8587897f820c9d838971f88ccaa.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=527b4faacaeb775b26e42d98a26e35f2.png\")
(Substitute ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b54a3b135bcb205b9282aa1fbd04557f.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6492a4c2015d1c5cd5f2f661f12321f5.png\")
(Multiply)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8d963bb95127ee2e79099cb48b71d95b.png\")
(Simplify)
Therefore,the perimeter of the circle is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7833d432e8df8d1380a0417498390fd8.png\")
.
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The perimeter of the circle is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7833d432e8df8d1380a0417498390fd8.png\")
.