document.write( "Question 837665: find the expenditure of putting a barbed wire around a 4 hectare square field, if it costs rs 45 per metre \n" ); document.write( "

Algebra.Com's Answer #504734 by KMST(5328) $\"\"$ $\"About$

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Since one hectare is 10,000 square meters, the side of the square field measures
\n" ); document.write( " $\"sqrt%2810000m%5E2%29=100m\"$
\n" ); document.write( "Thew perimeter of that field will be
\n" ); document.write( " $\"4%2A%28100m%29=400m\"$ ,
\n" ); document.write( "and at rs 45 per meter the barbed wire fence will cost
\n" ); document.write( " $\"rs\"$ $\"45%2A400=rs\"$ $\"%2218+%2C+000%22\"$ \n" ); document.write( "

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