Find the surface area of the sphere.
The radius is .
Surface are of the sphere formula is .
Substitute in the formula for surface area.
The surface area of the sphere is
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=07090fcade5766a44a41c7a67b77c328.png\")
..![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=38039ee09236d7d2916daeec3e2ed4a7.png\")
. in the formula for surface area.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=21e4cd86f56fa24f0dd869e4e3a5a544.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0daa1d7f06b2e822c633ba922b68b3f9.png\")