document.write( "Question 290266: Find the length of side a in the right triangle, if b = 4 and c=5.\r
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Algebra.Com's Answer #210041 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 3,4, 5 is a classic right triangle. \n" ); document.write( "You should know it and 5,12,13 \n" ); document.write( "otherwise x^2+4^2=5^2 \n" ); document.write( "x^2+16=25 \n" ); document.write( "x^2=9 \n" ); document.write( "x=3 \n" ); document.write( "reject neg root \n" ); document.write( " \n" ); document.write( " |