minute hand of a clock in 36 cm long. what is the angle (in radian) described by the minute hand in 20 minutes?
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Answer:
he minute hand moved full circle (1 hour), it would have gone 2π•6 in. But it only goes for 20 minutes, which is 1/3 of an hour. So, the distance is (12π)/3 inches, or 4π inches. That's approximately 12.566 inches.
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Answer:
it describes a angle of 120
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