20. The spinning wheel shown has evenly spaced spokes. What's the size of the angle between any two adjacent spokes? (Remember, there are 360° in a complete revolution.)
A. 30°
B. 36
C. 40°
D. 45

Explanation:

I believe the answer is D

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).