document.write( "Question 271858: Right triangle: side a =x, side b = 3x, hyp. = 19 what is x?\r
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Algebra.Com's Answer #198982 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
Pythagoras says ___ x^2 + (3x)^2 = 19^2\r
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\n" ); document.write( "\n" ); document.write( "10x^2 = 361\r
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\n" ); document.write( "\n" ); document.write( "x = sqrt(361 / 10)
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