420 curcumfrence round to nearest tenth

we have : 420 in the curcumfrence

we know : C=D*pi so D=C/pi

so : D = 420 / 3,14 = 133,69

so : the diametre is 133,7

and the raduice is : 66,8

if this answer is note the answer of you question please put again the you question because i can uderstand what you want in this estimate .??.....

Good Luck

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