document.write( "Question 717460: A SQUARE FIELD HAS AN AREA OF 900 SQUARE METRES. WHAT IS ITS PM
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Algebra.Com's Answer #440299 by josmiceli(19441)\"\" \"About 
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Let a side = \"+s+\"
\n" ); document.write( "\"+A+=+s%5E2+\" m2
\n" ); document.write( "\"+s%5E2+=+900+\"
\n" ); document.write( "\"+s+=+sqrt%28+900+%29+\"
\n" ); document.write( "\"+s+=+30+\" m
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\n" ); document.write( "The formula for perimeter of a square is
\n" ); document.write( "\"+P+=+4s+\"
\n" ); document.write( "\"+P+=+4%2A30+\"
\n" ); document.write( "\"+P+=+120+\" m
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