Question

Circle O has a circumference of 367 cm.

What is the length of the radius, r?
6 cm
18 cm
36 cm
72 cm

Answer 1

18cm I hope this helps

Answer 2

none of the above

Explanation:

The applicable relationship is ...

C = 2πr

Solving for r, we get

r = C/(2π) ≈58. (367 cm)/(2·3.14159) ≈ 58.41 cm . . . . no matching choice

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When the problem does not include a correct answer choice, I usually suggest you ask your teacher to show you the working of it.