A wheel has a radius of 15 cm. Approximately how far does it travel in 4 revolutions? 47.1 cm 94.2 cm 188.4 cm 376.8 cm

asked May 14, 2017 19.0k views

5 votes

A wheel has a radius of 15 cm. Approximately how far does it travel in 4 revolutions?

47.1 cm

94.2 cm

188.4 cm

376.8 cm

7.8k points

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2 votes

Radius is 15 cm
Circumference = 2 pi r
C = 2 x 3.14 x 15cm
C = 94.2 cm
94.2 cm x 4 (revolutions) = 376.8 = D

Wenhao Ji answered May 18, 2017

7.2k points

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