document.write( "Question 1017842: In an isosceles triangle, the 3rd side is 2m less than 1 of the equal side. If the perimeter is 16m, find the length of each other.
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #634097 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "In an isosceles triangle, the 3rd side is 2m less than 1 of the equal side. If the perimeter is 16m, find the length of each other.
\n" ); document.write( "-------------------------------------------------------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "Let x be the length of the 3rd side (which is shortest), in meters.\r\n" );
document.write( "\r\n" );
document.write( "Then the length of each of two other congruent sides is x + 2 meters.\r\n" );
document.write( "\r\n" );
document.write( "The perimeter is x + (x+2) + (x+2) = 3x + 4 meters.\r\n" );
document.write( "\r\n" );
document.write( "The equation is \r\n" );
document.write( "\r\n" );
document.write( "3x + 4 = 16,\r\n" );
document.write( "\r\n" );
document.write( "3x = 16 - 4 = 12,\r\n" );
document.write( "\r\n" );
document.write( "x =  = 4 meters.\r\n" );
document.write( "\r\n" );
document.write( "Answer. The shortest side is 4 meters long. Two other congruent sides are 6 meters long each.\r\n" );
document.write( "

\n" ); document.write( " \n" ); document.write( "

\n" );