Respostas

2013-11-18T12:14:14-02:00
C= 2 \pi R
350= 2.3,14.R
350= 6,28.R
R=350/6,28
R= 55,73 m
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2013-11-18T12:17:45-02:00
C = 2 x  \pi x r
350 = 2 x 3,14 x r
350 = 6,28 x r
r = 350 : 6,28
r = 55,73
Resposta:  ≅ 55,73 m
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