In the diagram described, we have the lines \( MO \) and \( PR \) as parallel lines. According to the properties of parallel lines cut by a transversal, angles formed on opposite sides of the transversal but inside the parallel lines are alternate interior angles and are equal.
Given that \( m \angle ONQ = 116° \), we can find \( m \angle RQN \).
From the properties of parallel lines, since \( MO \) is parallel to \( PR \):
\[ m \angle RQN = m \angle ONQ \]
Thus,
\[ m \angle RQN = 116° \]
Therefore, the measure of angle \( RQN \) is \( 116° \).