document.write( "Question 247102: The hypotenuse of a triangle is eight feet longer than the shorter leg. The length of the longer leg is seven feet more than the length of the shorter leg. Find the three sides of the triangle. \n" ); document.write( "
Algebra.Com's Answer #180332 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! c=a+8 \n" ); document.write( "b=a+7 \n" ); document.write( "a^2+b^2=c^2 \n" ); document.write( "a^2+(a+7)^2=(a+8)^2 \n" ); document.write( "a^2+a^2+14a+49=a^2+16a+64 \n" ); document.write( "2a^2-a^2+14a-16a+49-64=0 \n" ); document.write( "a^2-2a-15=0 \n" ); document.write( "(a-5)(a+3)=0 \n" ); document.write( "a-5=0 \n" ); document.write( "a=5 ans. \n" ); document.write( "b=5+7=12 ans. \n" ); document.write( "c=5+8=13 ans. \n" ); document.write( "Proof: \n" ); document.write( "5^2+12^2=13^2 \n" ); document.write( "25+144=169 \n" ); document.write( "169=169 \n" ); document.write( " |