document.write( "Question 1120603: If the diagonal of a swuare is 42.5cm long, find
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Algebra.Com's Answer #736264 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "(I)  If \"a\" is the side of the square, then, according to Pythagoras,\r\n" );
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document.write( "         = \r\n" );
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document.write( "         =  = 903.125  =====>  a =  = 30.05 cm.\r\n" );
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document.write( "        Then the perimeter of the square is  4a = 4*30.05 cm = 120.2 cm.\r\n" );
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document.write( "(II)  The area of the square is   =  = 903.0025 square centimeters.\r\n" );
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