document.write( "Question 823325: A right triangle has a hypotenuse length of 12, and one side length of 9. Find the missing side length. Do the side lengths form a Pythagorean triple? \n" ); document.write( "
Algebra.Com's Answer #495417 by stanbon(75887)\"\" \"About 
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A right triangle has a hypotenuse length of 12, and one side length of 9. Find the missing side length. Do the side lengths form a Pythagorean triple?
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\n" ); document.write( "Pythagoras only refers to Pythagorean triples.
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\n" ); document.write( "Let the missing side be \"x\":
\n" ); document.write( "x^2 + 9^2 = 12^2
\n" ); document.write( "x^2 = 144-81
\n" ); document.write( "x^2 = 63
\n" ); document.write( "x = 3sqrt(7)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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