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  • 11-11-2018
  • Mathematics
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gmany
gmany gmany
  • 11-11-2018

The formula of an area of a circle:

[tex]A_O=\pi r^2[/tex]

We have

r = 1.8 m

π ≈ 3.14

Substitute:

[tex]A_O=\pi\cdot1.8^2=3.24\pi\ m^2\approx3.24\cdot3.14=10.1736\ m^2\approx10.17\ m^2[/tex]

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