document.write( "Question 707802: One leg of a right triangle is 3in. longer than the other leg. the hypotenuse is 15. what are the lengths of the legs? \n" ); document.write( "
Algebra.Com's Answer #435868 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! A^2+B^2=C^2 \n" ); document.write( "A=B+3 \n" ); document.write( "(B+3)^2+B^2=15^2 \n" ); document.write( "B^2+6B+9+B^2=225 \n" ); document.write( "2B^2+6B+9-225=0 \n" ); document.write( "2B^2+6B-216=0 \n" ); document.write( "2(B^2+3B-108)=0 \n" ); document.write( "(B-9)(B+12)=0 \n" ); document.write( "B=9 ANS. \n" ); document.write( "A=9+3=12 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "9*2+12^2=225 \n" ); document.write( "81+144=225 \n" ); document.write( "225=225\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |