Samara89
Samara89 Samara89
  • 09-07-2020
  • Mathematics
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Will give brainliest answer

Will give brainliest answer class=

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Hi1315
Hi1315 Hi1315
  • 09-07-2020

Answer:

[tex]28 . 26cm[/tex]

Step-by-step explanation:

First find the radius

[tex]d = 2r \\ 9 = 2r \\ \frac{9}{2} = \frac{2r}{2} \\ r = 4.5[/tex]

Now find the CIRCUMFERENCE

[tex]c = 2\pi \: r \\ = 2 \times \pi \times 4.5 \\ = 9 \times \pi \\ = 28.26[/tex]

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