From the diagram the radius of the circle is 22 m ;
The circumference of a circle formula is .
(Substitute 3.14 for and 22 for r)
(Multiply: )
()
The circumference of the circle is 138 m.
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=68454670534356ebbac4c51c33225317.png\")
(Substitute 3.14 for ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=de67c267749620b1dc5db0fc4922e505.png\")
and 22 for r)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=765a7cc0cc2047e8a6aa175078f50084.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1346b4f7b0f34db80180ee4b74854e99.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=193b6bdb446504713b1ee365b001f064.png\")
(![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3af2fd198cffb4f9f3491e03079fc03d.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")