Find the circumference of the circle and round to the nearest tenth

asked Dec 26, 2022 170k views

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Explanation:

Circumference of Circle =

$2\pi \: r$

given d = 19.4mi

r = 1/2d

= 1/2 x 19.4

= 9.7mi

Circumference of Circle =

$2\pi(9.7) \\ = 19.4\pi \\ = 60.9mi \: (nearest \: tenth)$

Yixiang answered Dec 30, 2022

4.6k points

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