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Circumference(C) =
Diameter(d) =
Radius(r)=
Area(A) =
r d C A C/d
S.No.NameCountryDateDigits
1Suresh Kumar SharmaIndia21/10/201570030
2Rajveer MeenaIndia21/03/201570000
3Chao LuChina20/11/200567890
4Krishan ChahalIndia19/06/200643000
5Hiroyuki GotoJapan18/02/199542195