document.write( "Question 307463: The cardinal number of the set {triangle, rectangle, square, trapezoid, octagon, rhombus, circle, ellipse, pentagon} is _________. \n" ); document.write( "
Algebra.Com's Answer #219969 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
9 \n" ); document.write( "
\n" );