document.write( "Question 227543: The hypotenuse of a right triangle is 8 feet less than three times the shorter leg and the longer leg is 8 feet more than twice the shorter leg. Find the lengths of the three sides of the triangle \n" ); document.write( "
Algebra.Com's Answer #169049 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
c=3a-8
\n" ); document.write( "b=2a+8
\n" ); document.write( "a^2+b^2=c^2
\n" ); document.write( "a^2+(2a+8)^2=(3a-8)^2
\n" ); document.write( "a^2+4a^2+32a+64=9a^2-48a+64
\n" ); document.write( "5a^2-9a^2+32a+48a+64-64=0
\n" ); document.write( "-4a^2+80a=0
\n" ); document.write( "-4a(a-20)=0
\n" ); document.write( "a-20=0
\n" ); document.write( "a=20 ans.
\n" ); document.write( "b=2*20+8=40+8=48 ans.
\n" ); document.write( "c=3*20-8=60-8=52 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "20^2+48^2=52^2
\n" ); document.write( "400+2,304=2,704
\n" ); document.write( "2,704=2,704\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );