document.write( "Question 67603This question is from textbook
\n" );
document.write( ": 1) the area of a right triangle is 44m squared. find the lengths of its legs if one of the legs is 3 m longer than the other\r
\n" );
document.write( "\n" );
document.write( "2) the hypotneuse of a right triangle is 25m long. the length of one leg is 10m less than twice the other. find the length of each leg.\r
\n" );
document.write( "\n" );
document.write( "please show your work
\n" );
document.write( "thank you very much!!!!! \n" );
document.write( "
Algebra.Com's Answer #48104 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1) the area of a right triangle is 44m squared. find the lengths of its legs if one of the legs is 3 m longer than the other \n" ); document.write( "Let one of the legs be \"x\". \n" ); document.write( "The other leg is \"x+3\" \n" ); document.write( "Area = (1/2)x(x+3)=44 \n" ); document.write( "x(x+3)=88 \n" ); document.write( "x^2+3x-88=0 \n" ); document.write( "(x+11)(x-8)=0 \n" ); document.write( "x= -11 or x=8 \n" ); document.write( "--------------------------------\r \n" ); document.write( "\n" ); document.write( "2) the hypotneuse of a right triangle is 25m long. the length of one leg is 10m less than twice the other. find the length of each leg.\r \n" ); document.write( "\n" ); document.write( "Let one of the legs be \"x\". \n" ); document.write( "The other leg is \"2x-10\". \n" ); document.write( "Use Pythagoras to get: \n" ); document.write( "x^2+(2x+10)^2 = 25^2 \n" ); document.write( "x^2 + 4x^2+40x+100=625 \n" ); document.write( "6x^2+40x-525=0 \n" ); document.write( "x=[-40+-sqrt(40^2-4*6*-525)/12 \n" ); document.write( "x=[-40+-sqrt(14200)]/12 \n" ); document.write( "x=6.597 (one of the legs) \n" ); document.write( "2x+10=23.194 (the other leg) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |