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Aefits · Answer 1 · 2023-08-02T11:41:13+0000

Answer:

The third answer.

Explanation:

There are two formulas for circumference:

$C = 2\pi r$

$C = d\pi$

They give the diameter of 4, and they are going to use a combination of both formulas for the answer. They are using the second formula and then they are changing the diameter to a radius by dividing by 2.

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