find the distance covered by 7cm long minute hand of clock
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Answer:
14 and 22cm.
Step-by-step explanation:
Since, the clock is moved from 9:00 to 9:30, the minute arm has traveled and completed a semi circle to reach 9:30. So, the the distance covered by the minute arm will be the arc from 9:00 to 9:30. The displacement will be the diameter of the swept area of the minute arm which will be 14 cm,
The, distance will be π*r where r is the radius or the length of the minute arm.
On solving we will get distance to be 22/7*7 = 22 cm.
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