SOLUTION: please help me solve this question: the minute hand of a clock is 5cm long. How far will the tip of the hand move in 45 minutes?
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Question 620026: please help me solve this question: the minute hand of a clock is 5cm long. How far will the tip of the hand move in 45 minutes? Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! please help me solve this question: the minute hand of a clock is 5cm long. How far will the tip of the hand move in 45 minutes?
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Circumference of circle made by the tip of the minute hand:
(pi)d
or
(pi)(2r)
(3.14)(2*5)
(3.14)(10)
31.4 cm
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moving 45 minutes is equivalent to 3/4 of an hour or 3/4 of the circle:
(3/4)(31.4)
(.75)(31.4)
23.55 cm (answer)
