1 Answer

Mike Boddin · Answer 1 · 2021-03-13T23:58:12+0000

Answer:

r =
$(84.78)/(2 \pi)\\$ ≈ 13.493 mm

Explanation:

The formula for the circumference c of a circle is

$c = 2 * \pi * r$ ,

where r is the radius.

Dividing both sides of the equation gives

$(c)/(2 \pi) = r$ .

Plugging in c = 84.78 gives you the Answer.

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