katendrawyley89
katendrawyley89 katendrawyley89
  • 18-03-2020
  • Mathematics
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The area of a circle is 379.94 square millimeters. What is the circle's circumference?

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iguanamiyagi
iguanamiyagi iguanamiyagi
  • 18-03-2020

Answer:

C = 69.0975169686 mm

Step-by-step explanation:

[tex]A = r^{2} \pi = 379.94 \\\\r = \sqrt{\frac{A}{\pi}} = \sqrt{\frac{379.94}{\pi } } = 10.9972113809\\\\C = 2r\pi = 69.0975169686[/tex]

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