document.write( "Question 109598: Find length x in each triangle. Express your answer in simplified radical form.\r
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Algebra.Com's Answer #79880 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
We basically have this triangle set up:\r
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\n" ); document.write( "\n" ); document.write( "Since we can see that the triangle has legs of 5 and 8 with a hypotenuse of x, we can use Pythagoreans theorem to find the unknown side.\r
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\n" ); document.write( "\n" ); document.write( "Pythagoreans theorem:\r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2%2Bb%5E2=c%5E2\" where a and b are the legs of the triangle and c is the hypotenuse\r
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\n" ); document.write( "\n" ); document.write( "\"5%5E2%2B8%5E2=x%5E2\" Plug in a=5, b=8, and c=x. Now lets solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"2+5+%2B+6+4+=++x++%5E+2\" Square each individual term\r
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\n" ); document.write( "\n" ); document.write( "\"8+9+=++x++%5E+2\" Combine like terms\r
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\n" ); document.write( "\n" ); document.write( "\"s+q+r+t+%28+8+9+%29+=+s+q+r+t+%28++x++%5E+2+%29\" Take the square root of both sides\r
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\n" ); document.write( "\n" ); document.write( "\"x=sqrt%2889%29\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "Which approximates to...\r
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\n" ); document.write( "\n" ); document.write( "\"x=9.4339811320566\"\r
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\n" ); document.write( "\n" ); document.write( "So our answer is\r
\n" ); document.write( "\n" ); document.write( "\"x=9.4339811320566\"
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