2 Answers

Kokila · Answer 1 · 2021-12-24T02:54:57+0000

Answer:

2.38732414...

Explanation:

the diameter of a circumference is your number divided by ∏. so it will be 4.77464829...

radius is half of the diameter and thats where you get your answer.

my work (15/∏)/2

Bruno Reis · Answer 2 · 2021-12-27T16:52:46+0000

Answer:

r=
$(15 )/(2\pi )$

Explanation:

Circumference formula: 2πr

2πr=15

Divide 2π on both sides.

So since it won't be a integer you can leave it live that so your final answer will be:

r=
$(15 )/(2\pi )$

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