document.write( "Question 1160594: Kidney outer and inner shape. If I know the distance in feet around the outer irregular shape and the distance around the inner irregular shape how do I compute the square footage of the area between the 2 shapes? \n" ); document.write( "
Algebra.Com's Answer #783949 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
google \"planimeter\"
\n" ); document.write( "Maybe \"plainimeter\"
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\n" ); document.write( "A thing that rolls around the perimeter and gives the area.\r
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