On the clock face, the minute hand turns one circle, and the hour hand turns () degrees?
360÷12=30°
From 8:00 to 9:40 in the evening, how many degrees does the clock rotate
Every hour is 30 degrees, 8:00 to 9:40 is 1 and 2 / 3 hours, 30 * (1 and 2 / 3) = 50 degrees
Or, if you walk 0.5 ° every minute from 8:00 to 9:40, it will be 100 minutes
When is the clockwise rotation of 120 ° from three points
It is 7 o'clock when the clock rotates 120 ° clockwise from three o'clock