How many times are the hands of a clock at right angles in 24 hours?
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1
Answer : 24 times
Step-by-step explanation: every hour there happens to be a right angle
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5
Answer:
If you switch to a rotating coordinate system in which the hour hand stands still, then the minute hand makes only 11 revolutions, and so it is at right angles with the hour hand 22 times. In a 24 hour day you get 2×22=44.
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