A path of 7 CM width runs around out side a circular path whose radius is 18 m find the area of the path
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Answer:
circumference = 2πr
= 2×22/7×18
= 113.09 metre
1m2 = 10,000 cm2
7 cm2 = 0.0007 m2
113.09×0.0007 = 0.079163 m2
or 791.63 cm2
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