document.write( "Question 817217: What is the length of a diagonal of a rectangle whose sides are 5 cm and 12 cm long?
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document.write( " 23 cm\r
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document.write( " 17 cm\r
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document.write( " 15 cm\r
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document.write( " 13 cm \n" );
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Algebra.Com's Answer #491946 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! By using Pythagoras. \n" ); document.write( "5^2 + 12^2 = diagonal^2 \n" ); document.write( "25 + 144 = diagonal^2 \n" ); document.write( "Diagonal = \n" ); document.write( "Diagonal = 13 cm. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |