a athlete runs around a circular park 10 times.If the diameter of park is 280m, find the distance covered by the athlete in kilometer.
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d=280
r=140
circumference =2πr
2×22/7×140=880
total distance =880×10
8800m
r=140
circumference =2πr
2×22/7×140=880
total distance =880×10
8800m
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