The area of the circle is .
\
(Substitute 16 for r)
(Evaluate power:)
The area of the circle is in. \ \
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a2221dcbd59cd760bc34c92547e4eba3.png\")
.![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1187a985fab2f9e294481f6abc5613f2.png\")
(Substitute 16 for r)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4b9d281708d1d6bbb22f3789b27b876c.png\")
(Evaluate power:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ecbf06730bfa3775a9b2c08cc6e16b47.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4b9d281708d1d6bbb22f3789b27b876c.png\")
in. \ \