Two of the following statements are true, and one is false. Identify the false statement:

a$.$ A rectangular array has the same number of columns as rows.

b$.$ The following array contains two rows and three columns:

int$[,]$ departments $=\{\{12,54,16\},$

$\{22,44,47\}\}$;

c$.$ A jagged array is a one$-$dimensional array in which each element is another array.