Answer
130$^{\circ}$
Work Step by Step
1. 8:20. The minute hand is on 4. The hour hand is 1/3 (20/60) past 8.
2. 360$^{\circ}$/12=30$^{\circ}$ degrees in the hour
3. The distance between hands. $\frac{1}{3} + 4 = 4 \frac{1}{3} $ hours
5. $\frac{13}{3}$ $\times$ 30$^{\circ}$ = 130$^{\circ}$