document.write( "Question 1024270: Make R the subject of the formula and show all working\r
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Algebra.Com's Answer #639727 by Alan3354(69443)\"\" \"About 
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Make R the subject of the formula and show all working\r
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\n" ); document.write( "Subtract 2r
\n" ); document.write( "Subtract 2a
\n" ); document.write( "Divide by pi
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