document.write( "Question 292509: The cardinal number of the set {triangle, rectangle, square, trapezoid, octagon, rhombus, circle, pentagon} is _________.
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Algebra.Com's Answer #211286 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Hint: the cardinal number of the set is just the number of things inside the set. \n" ); document.write( " |