Question

find circumference of the radius = 21mm​

Answer 1

Hello mate✔✔✔

$</strong><strong>C</strong><strong> = 2\pi r \\ </strong><strong>C</strong><strong> = 2 \times \frac{22}{7} \times 21 \\ </strong><strong>C</strong><strong> = 132 \: mm$

Hope it helps✔✔✔

Answer 2

Answer:

your answer is in the attachment

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