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The minute hand of a circular clock is $15\ cm$ long. How far does the tip of the minute hand move in 1 hour. $(Take\ \pi=3.14)$
From the question, it is given that,
Length of the minute hand of the circular clock$ = 15\ cm$
Then, Distance traveled by the tip of a minute hand in 1 hour $=$ circumference of the clock
$=2\pi r$
$=2\times 3.14\times 15$
$=94.2\ cm$
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