document.write( "Question 1181135: photo link- https://docs.google.com/document/d/1FpwPq2JeKGwSNEmgENaguQZU8G7zN27P3Tpzgv7kbSU/edit?usp=sharing\r
\n" ); document.write( "\n" ); document.write( "Explain why ABD = DBC. \n" ); document.write( "
Algebra.Com's Answer #810964 by Edwin McCravy(20064)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "AB:BD:DA = 2:4:5\r\n" );
document.write( "DB:BC:CD = 4:8:10 = 2:4:5\r\n" );
document.write( "\r\n" );
document.write( "Thus triangle ΔABD ∽ ΔDBC\r\n" );
document.write( "\r\n" );
document.write( "∠ABD = ∠DBC because they are corresponding angles of similar triangles.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );