Answer variants:
\(\angle BAC\)
\(\angle ABC\)
\(\angle ACB\)

14.svg
 
\(\triangle ABC\) has three unequal sides. \(BC\) \(=\) 3 \(cm\), \(AC\) \(=\) 7 \(cm\), and \(AB\) \(=\) 9 \(cm\). Find the greatest angle.
 
The greatest angle is 
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