Respuesta :

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In order to find the circumference, we first need to find the radius.  We have the area, so we can find the radius.  We set up this equation:

[tex]1519.76= \pi r^{2} [/tex]

We begin by dividing both sides by pi.

483.76 = [tex] r^{2} [/tex]

Next, we take the square root of both sides to get the radius.

r = 22.

Next, we plug this into the formula for the circumference, 2 pi r

[tex]C = 2 \pi *22=138.23[/tex]

So, the circumference of this circle is 138.23 units.

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