Sohan walks round the edge of a circular field of radius 70 m in 20 minutes , find his speed.
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Explanation:
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Answer: 22 meters/minute
Explanation: speed= Distance/time
Here, speed= circumference of the circle/time
speed= 2πr/time
:. speed= 2x22/7x70m/20 minutes
=> speed= 440m/20 minutes
=> speed= 22meters/minute.
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