document.write( "Question 814608: a 60 cm piece of wire is bent to form a right triangle.If the hypotenuse is 26 cm, find the length of the longer of the two legs of the right triangle. \n" ); document.write( "
Algebra.Com's Answer #490415 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! a 60 cm piece of wire is bent to form a right triangle.If the hypotenuse is 26 cm, find the length of the longer of the two legs of the right triangle. \n" ); document.write( ": \n" ); document.write( "Call the legs a & b \n" ); document.write( "a + b = 60 - 26 \n" ); document.write( "a + b = 34 \n" ); document.write( "b = (34-a) \n" ); document.write( ": \n" ); document.write( "a^2 + b^2 = 26^2 \n" ); document.write( "replace b with (34-a) \n" ); document.write( "a^2 + (34-a)^2 = 676 \n" ); document.write( "a^2 + 1156 - 68a + a^2 \n" ); document.write( "a^2 + a^2 - 68a + 1156 - 676 = 0 \n" ); document.write( "2a^2 - 68a + 480 = 0 \n" ); document.write( "simplify, divide by 2 \n" ); document.write( "a^2 - 34a + 240 = 0 \n" ); document.write( "Factors to \n" ); document.write( "(a-24)(a-10) = 0 \n" ); document.write( "a = 24 cm is the longer leg\r \n" ); document.write( "\n" ); document.write( ": \n" ); document.write( "See if that checks out on your calc (b=10) \n" ); document.write( "Enter |