document.write( "Question 1033442: A person six feet tall walks around the earth. Assuming the earth is a perfect sphere, how many feet farther does the top of this person's head travel than the bottoms of his feet? Express your answer in terms of $\pi$. \n" ); document.write( "
Algebra.Com's Answer #648075 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
CIRCUMFERENCE, for radius r, \"2pi%2Ar\";\r
\n" ); document.write( "\n" ); document.write( "The difference in the path length traveled is \"2pi%28r%2B6%29-2pi%2Ar\"
\n" ); document.write( "\"2pi%28r%2B6-r%29\"
\n" ); document.write( "\"2pi%2A6\"
\n" ); document.write( "\"highlight%2812pi%29\".
\n" ); document.write( "
\n" );