18. The minute hand of a circular clock is 14 cm long. How far does the tip of the minute hand move in 1 hour?
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Step-by-step explanation:
As we know the minute hand is 14cm. So it is the radius for the clock.
The question is asked that how far the tip will move i.e. the tip is the point on the circle.
We know the radius so put 2*pi*r for circumference = 2*(22/7)*14 =88cm
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