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What is the circumference of a circle with a radius 7.1 cm, to the nearest tenth?

Guest Apr 28, 2015

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What is the circumference of a circle with a radius 7.1 cm, to the nearest tenth ?

circumference = $\pi \cdot d \qquad d = 2\cdot 7.1 ~ \rm{cm} = 14.2 ~ \rm{cm}$

circumference = $\pi \cdot 14.2 ~ \rm{cm} \approx 44.1 ~ \rm{cm}$

heureka Apr 29, 2015

heureka · Answer 1 · 2015-04-29T10:03:48

What is the circumference of a circle with a radius 7.1 cm, to the nearest tenth ?

circumference = $\pi \cdot d \qquad d = 2\cdot 7.1 ~ \rm{cm} = 14.2 ~ \rm{cm}$

circumference = $\pi \cdot 14.2 ~ \rm{cm} \approx 44.1 ~ \rm{cm}$