The central angle = 1, and arc length s = 3 ft.
The circle of radius formula: . ( in radians)
(Substitute = 1, s = 3)
The circle of radius r = 2 ft.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e7c781231a59c1b36c9f5db5a034b92b.png\")
= 1, and arc length s = 3 ft.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bd9ed5750f709cb9168f8261ca3ccc2c.png\")
. ( in radians)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=67792002e20ebde06b321f94e2852850.png\")
(Substitute = 1, s = 3)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")