9. (6 points) As shown in the figure, the clock displays $9: 15$, at this time the angle between the minute hand and the hour hand is $\qquad$ degrees.
【Answer】Solution: According to the analysis, calculate clockwise:
$$
\begin{array}{l}
3 \times 30=90 \text { (degrees), } \\
(6-0.5) \times 15 \\
=5.5 \times 15 \\
=82.5 \text { (degrees), } \\
90+82.5=172.5 \text { (degrees); }
\end{array}
$$

Answer: At 9:15, the angle between the minute hand and the hour hand is 172.5 degrees. Therefore, the answer is: 172.5.