document.write( "Question 139948: 4. The two triangles are similar. Find the indicated side. Find y.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"Photobucket\"
\n" ); document.write( "

Algebra.Com's Answer #102003 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Since the triangles are similar, this means that the length of the sides are dependent on one another. In fact, these sides form the ratio:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"10%2F8=5%2Fy\" \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%2810%2F8%29%2Ay=5\" Multiply both sides by y\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"10%2Ay=5%2A8\" Multiply both sides by 8\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"10%2Ay=40\" Multiply\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=40%2F10\" Divide both sides by 10\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=4\" Simplify\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So our answer is \"y=4\"
\n" ); document.write( "
\n" );