Respostas

2013-08-14T21:28:36-03:00
Perimetro / Diametro = Pi

Perimetro / 2*Raio = Pi

Perimetro / 2*12 = 3

Perimetro = 24 * 3

Perimetro = 72 cm.

Velocidade = /\S / /\T

V = 72cm / 12 h

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V = 6cm/h
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V = 6cm / 60 min

V = 6/60 cm/min

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V = 0,1 cm / min
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