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  • 06-08-2017
  • Mathematics
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Someone help me please !!

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texaschic101
texaschic101 texaschic101
  • 06-08-2017
A = 1/4 *(pi) * d^2
A = 1/4 * 3.14 * 20^2
A = 1/4 * 3.14 * 400
A = 1/4 * 1256
A = 1256/4
A = 314 m^2 <==
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