document.write( "Question 176435This question is from textbook
\n" ); document.write( ": A rectangle has side length 30 mm and diagonal length 34 mm. Find the length of the other side of the rectangle to the nearest whole number. \n" ); document.write( "
Algebra.Com's Answer #131550 by jim_thompson5910(35256)\"\" \"About 
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If we cut the rectangle in half along the diagonal, we get the following triangle:\r
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\n" ); document.write( "\n" ); document.write( "Since the legs are \"x\" and \"30\" this means that \"a=x\" and \"b=30\"\r
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\n" ); document.write( "\n" ); document.write( "Also, since the hypotenuse is \"34\", this means that \"c=34\".\r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2%2Bb%5E2=c%5E2\" Start with the Pythagorean theorem.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B30%5E2=34%5E2\" Plug in \"a=x\", \"b=30\", \"c=34\" \r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B900=34%5E2\" Square \"30\" to get \"900\".\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B900=1156\" Square \"34\" to get \"1156\".\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2=1156-900\" Subtract \"900\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2=256\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"x=sqrt%28256%29\" Take the square root of both sides. Note: only the positive square root is considered (since a negative length doesn't make sense).\r
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\n" ); document.write( "\n" ); document.write( "\"x=16\" Simplify the square root.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"x=16\" which means that the other side length is 16 mm
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