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The minute hand of a clock moves from 3 o'clock to 6 o'clock, or 1/4 of a complete revolution. Through how many degrees does it move?

User Harald
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Well, there's 360 degrees in a full circle.
If the hand moves 1/4 of a complete revolution, divide 360 by 4.


360/4=90

The minute hand moved 90 degrees.
User Rob Keniger
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A full revolution is equal to 360 degrees. Thus, rotating a quarter of a full revolution would put it at 360/4 = 90 degrees.
User Bademeister
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