document.write( "Question 995528: the perimeter of a rectangular field is 280 cm and its breath is 60 m , the length of its diagonal is closed to .. ? \n" ); document.write( "

Algebra.Com's Answer #614264 by ikleyn(52796) $\"\"$ $\"About$

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\n" ); document.write( "The length of the field is $\"%28280-2%2A60%29%2F2\"$ = $\"%28280-120%29%2F2\"$ = $\"160%2F2\"$ = 80 m.\r
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\n" ); document.write( "\n" ); document.write( "Hence, the diagonal of the field has the length $\"sqrt%2880%5E2+%2B+60%5E2%29\"$ = $\"sqrt%286400%2B3600%29\"$ = $\"sqrt%2810000%29\"$ = 100 m.\r
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\n" ); document.write( "\n" ); document.write( "Answer. 100 m.\r
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