The side of the square-shaped lot is 70 yards.
Area of the lot is .
(Substitute 70 for s)
(Evaluate power: )
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=71f06ae1d0756936c8f1ea26977d939c.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7fdb95becebcd84a29829d196cec7784.png\")
(Substitute 70 for s)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7631cb97ef80a54f49acea0c2e152910.png\")
(Evaluate power: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d1f0605aa989b0c2de921361f4a3480c.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a302b2cc2724f2b1e471fb0f66171fe3.png\")
.