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baherus [9]
3 years ago
5

Find the radius of each circle. use 3.14for the value of Pie. round your answer to

Mathematics
1 answer:
muminat3 years ago
7 0

9514 1404 393

Answer:

  8.6 km

Step-by-step explanation:

The circumference of a circle is given in terms of its radius as ...

  C = 2πr

Then the radius can be found from the circumference using ...

  r = C/(2π)

Filling in the given values, we find the radius to be ...

  r = (54 km)/(2·2.14) = (54 km)/6.28 ≈ 8.59873 km

The radius is about 8.6 km.

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