Question

If the circumference of
circle is 82 π then the value of 'r' is​

Answer 1

Answer:

Hence, circumference of circle = 2πr. So the value of 'r' if circumference of a circle is 82π is, ∴ The value of 'r' is 41.

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Answer 2

Step-by-step explanation:

$2\pi r = 82 \\ 2 \times \frac{22}{7} \times r = 82 \\ r = \frac{82 \times 7}{2 \times 22} \\ r = \frac{287}{22} \\ r = 13.04 \: cm$

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