Question

What is the circumference of this circle
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Answer 1

31.4 cm

Explanation:

Let C be the circumference and r be the radius of the circle.

`\therefore \: C = 2\pi \: r \\ \hspace{19 pt}= 2 * 3.14 * 5 \\ \hspace{19 pt} = 3.14 * 10 \\ \hspace{19 pt} = 31.4 \: cm \\`