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C = 2 pi r

Algebraically rearrange

r = C / ( 2 pi) (

r = 11.5 cm / (2*3.141592....)

r = 1.830281846....

r ~ 1.83 cm

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lenpollock

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6mo ago
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Wiki User

14y ago

11.5/ (2 x pi) =1.83 centimetres

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Anonymous

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4y ago

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Q: What is your radius if the circumference is 11.5 cm?
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