document.write( "Question 177391: PLease help. I think I have this one figured out, but I have a question about the end. The problem is: In a right triangle, find the length of the side not given. One side is a, the other side is 1 and the hypotneuse is the square root of 5.
\n" ); document.write( "So I used the formula of a^2+b^2=c^2 and plugged in the numbers.
\n" ); document.write( "a^2+(1)^2=the square root of 5^2.
\n" ); document.write( "my question is would that become the problem: a^2+1=5 ?
\n" ); document.write( "Thank you
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Algebra.Com's Answer #132431 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
You're on the right track, I'll start where you left off.\r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2%2B1=5\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2=5-1\" Subtract 1 from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2=4\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"a=sqrt%284%29\" Take the square root of both sides. Note: we're only taking the positive square root.\r
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\n" ); document.write( "\n" ); document.write( "\"a=2\" Take the square root of 4 to get 2\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"a=2\" which means that the missing side length is 2 units.
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