An accurate clock shows 8 o’clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 12 o’clock in the afternoon?	Choose the correct choice:  A) 120°  B) 90°  C) 180°  D) 320°  E) None of these
Sol.   120°ngle traced by the hour hand in 4 hours = [360/12 * 4= 
<gadget id="calculator">360/12 * 4</gadget>
<output>120</output>
120°   120°nswer 120°
<result>A</result>
An accurate clock shows 8 o’clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 12 o’clock in the afternoon?