thediameterofacircularheadofapersonis22.75cm.howmanymeterlongbandagewillrequiredtoencirclearoundhishead8times
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Diameter is 22.75 cm
So Circumference is 2*pi*r
2*22/7*22.75
143
Now 8 times Circumference
8*143
1144 cm
So bandage required is 1144/100
11.44m
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