document.write( "Question 279972: how do you find the area when they only give you the diameter? \n" ); document.write( "
Algebra.Com's Answer #203459 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let \"r\" = radius
\n" ); document.write( "Le \"d\" = diameter
\n" ); document.write( "Area = \"pi%2Ar%5E2\"
\n" ); document.write( "diameter = 2 x radius
\n" ); document.write( "radius = diameter/2
\n" ); document.write( "Area = \"pi%2A%28d%2F2%29%5E2\"
\n" ); document.write( "
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