Hey!
Here's the answer:
Area = PI * (radius ^ 2) = 169 * PI (given).
Therefore, radius ^ 2 = 169
Therefore, taking the square root, radius = 13
Circumference = 2 * PI * radius = 2 * PI * 13 = 26 * PI = 81.6814089933
Hope it helps. Let me know if you have any more questions!
Have a great and blessed day!
Good luck,
urjnasw xkfjjkn
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