A man runs round a circular field of radius 50m at a speed of 12km/he What time is taken to make 20 rounds of the field
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r=50m
speed=12km/h
distance (circumference)=2πr
=2×22/7×50
=314.2m=0.3142km
1 round time=distance/speed
= 0.3142/12
=0.0261 hour
20 round time =0.0261×20
=0.52 hour(approx)
please gave this brainlist answer
speed=12km/h
distance (circumference)=2πr
=2×22/7×50
=314.2m=0.3142km
1 round time=distance/speed
= 0.3142/12
=0.0261 hour
20 round time =0.0261×20
=0.52 hour(approx)
please gave this brainlist answer
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