estimate the circle with given circumfrence

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420 curcumfrence round to nearest tenth 

May 12th, 2015

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 

May 12th, 2015

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May 12th, 2015
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May 12th, 2015
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