- A150°
- B165°
- C330°
- D1980°
Step-by-Step Solution
A shows 11:20 and B shows 4:50: 5 h 30 min = 5.5 h. The hour hand turns 30° an hour: °. (1980° is the minute hand's turn; 150° drops the half hour.)
Answer: B) 165°
A post office counter opens at the morning time on clock A and shuts at the afternoon time on clock B. Through what angle does the hour hand move while it is open?
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