Answer
The IUPAC name of the compound is $trans-cyclohexane-1,2-dicarboxylic \hspace1mm acid$. The common name of the compound is $trans-hexahydrophthalic \hspace1mm acid$
Work Step by Step
The acid has 6 carbon atoms in its longest carbon ring containing the carboxylic functional group. It has 2 $COOH$ groups at positions 1 and 2, which are in trans configuration. So, the IUPAC name of the compound is $trans-cyclohexane-1,2-dicarboxylic \hspace1mm acid$. The common name of the compound is $trans-hexahydrophthalic \hspace1mm acid$