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jmc

prealgebra senior

Problem

What is the number of degrees in the acute angle formed by the hands of a clock at 6:44?
Solution


There are 12 hours on a clock, so each hour mark is from its neighbors. At 6:44, the minute hand points at minute 44, which is of the way from hour 8 to hour 9. Therefore, the minute hand is past hour 8. The hour hand is of the way from hour 6 to hour 7, so it is past hour 6. This means that the hour hand is from hour 7. Since hours 7 and 8 are apart, the total angle between the two hands is .
Final answer
62^\circ