the radius of circular field of village is 280meter. chaitali wants to go round the field by walking with speed 5.5km/hr,let us calculate how long will be taken by chaitali to complete one revolution.
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Redius= 280 m
Firs find circumference of field= 2πr
= 2 ×22/7×280
= 2×22×40
=1760m= 1.76km
now we find time= distance/speed
= 1.76/5.5
= 0.32 hour
= 19 minute 12 second
Firs find circumference of field= 2πr
= 2 ×22/7×280
= 2×22×40
=1760m= 1.76km
now we find time= distance/speed
= 1.76/5.5
= 0.32 hour
= 19 minute 12 second
Answered by
1
Redius= 280 m
Firs find circumference of field= 2πr
= 2 ×22/7×280
= 2×22×40
=1760m= 1.76km
now we find time= distance/speed
= 1.76/5.5
= 0.32 hour
= 19 minute 12 second
Firs find circumference of field= 2πr
= 2 ×22/7×280
= 2×22×40
=1760m= 1.76km
now we find time= distance/speed
= 1.76/5.5
= 0.32 hour
= 19 minute 12 second
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