document.write( "Question 205474: Suppose you need to construct a right triangle in which the shorter side is eight feet less than the longest side and the third side is seven feet more than the shortest side. \n" ); document.write( "
Algebra.Com's Answer #155111 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! a^2+b^2=c^2 \n" ); document.write( "a=c-8 \n" ); document.write( "b=a+7 or b=(c-8)+7 or b=c-1 \n" ); document.write( "(c-8)^2+(c-1)^2=c^2 \n" ); document.write( "c^2-16c+64+c^2-2c+1=c^2 \n" ); document.write( "2c^2-c^2-18c+65=0 \n" ); document.write( "c^2-18c+65=0 \n" ); document.write( "(c-13)(c-5)=0 \n" ); document.write( "c-13=0 \n" ); document.write( "c=13 ans. \n" ); document.write( "a=13-8 \n" ); document.write( "a=5 ans. \n" ); document.write( "b=5+7 \n" ); document.write( "b=12 ans. \n" ); document.write( "Proof: \n" ); document.write( "5^2+12*2=13^2 \n" ); document.write( "25+141=169 \n" ); document.write( "169=169 \n" ); document.write( " \n" ); document.write( " |