Question

What is the circumference of this circle, in centimeters? Use 22/7 for pi. D = 21 cm

A: 33
B: 66
C: 207.4
D: 346.5

Answer 1

So the right answer is 66 cm

Look at the attached picture

Hope it will help you

Good luck on your assignment

Answer 2

Answer:

$66 \: cm$

Step-by-step explanation:

$c = 2\pi \: r \\ = 2 \times \frac{22}{7} \times \frac{21}{2} \\ = 66cm$

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