An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?
Options:
A) 180degree
B) 160degree
C) 120degree
D) 150degree
E) 170degree
We know that angle traced by hour hand in 12 hrs = 360°   From 8 to 2, there are 6 hours.   180degreengle traced by the hour hand in 6 hours = 6×360/12=180°   180degreenswers is 180degree.
<result>A</result>
An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?