the diameter of wheel of motorbike is 42 cm find the distance travelled by the bike during the period in which the will make thousand revolution
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diameter=42cm
radius=21cm
in order to find the distance covered in 1 revolution,we need to find its circumference
thus, circumference=2×pi×r
2×22/7×21=2×22×3
22×6=132cm
distance covered in 1 revolution=132cm
distance....1000 revolution=132×1000=132000cm=1320m=1.32km
radius=21cm
in order to find the distance covered in 1 revolution,we need to find its circumference
thus, circumference=2×pi×r
2×22/7×21=2×22×3
22×6=132cm
distance covered in 1 revolution=132cm
distance....1000 revolution=132×1000=132000cm=1320m=1.32km
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