document.write( "Question 1139853: A square has a side length of 20 cm. If a diagonal is drawn, what is the length of the diagonal? Give the exact value, not an approximation. \n" ); document.write( "

Algebra.Com's Answer #760351 by josgarithmetic(39620) $\"\"$ $\"About$

You can put this solution on YOUR website!
d, diagonal\r
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\n" ); document.write( "\n" ); document.write( " $\"d%5E2=20%5E2%2B20%5E2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"d=sqrt%28400%2B400%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"d=sqrt%282%2A400%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"d=20%2Asqrt%282%29\"$ \r
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