document.write( "Question 183122: what is the area of a circle if the diameter is 4pi. \n" ); document.write( "
Algebra.Com's Answer #137512 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
what is the area of a circle if the diameter is 4pi.
\n" ); document.write( "--------------
\n" ); document.write( "radius = 2pi
\n" ); document.write( "Area = pi(2pi)^2
\n" ); document.write( "Area = 4pi^3
\n" ); document.write( "Area = ~ 39.48 sq units
\n" ); document.write( "
\n" );