document.write( "Question 40134: |9-12i|\r
\n" ); document.write( "\n" ); document.write( "|15-20i|\r
\n" ); document.write( "\n" ); document.write( "|8+15i|
\n" ); document.write( "

Algebra.Com's Answer #25742 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
In each case, |x + yi| = sqrt(x^2 + y^2), so
\n" ); document.write( "|9-12i| = sqrt(81 + 144) = 15\r
\n" ); document.write( "\n" ); document.write( "|15-20i| = sqrt(15^2 + 20^2) = sqrt(625) = 25\r
\n" ); document.write( "\n" ); document.write( "|8+15i| = sqrt(64 + 225) = sqrt(289) = 17
\n" ); document.write( "
\n" );