jemstone
jemstone jemstone
  • 25-04-2020
  • Mathematics
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Can someone please help me?

Can someone please help me class=

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Anisatunizzati
Anisatunizzati Anisatunizzati
  • 25-04-2020

Answer:

Area of circle = 12.56 units²

Step-by-step explanation:

[tex]circumference = 2\pi \: r \\ 12.56= 2 \times 3.14 \times r \\ 12.56 = 6.28 \times r \\ r = \frac{12.56}{6.28} \\ r = 2 \\ \\ area \: of \: a \: circle = \pi \: {r}^{2} \\ area \: of \: a \: circle = 3.14 \times 2 \times 2 \\ area \: of \: a \: circle = 12.56 \: {units}^{2} [/tex]

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