The distancecovered in 10 revolutions by a truck of diameter 4.2 m
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13.2×10=132meter........................
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diameter =4.2m
r=2.1m
no.of revolution =distance÷circumference
10=d÷2×22÷7×2.1
13.2×10=d
d=132
r=2.1m
no.of revolution =distance÷circumference
10=d÷2×22÷7×2.1
13.2×10=d
d=132
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