kmoonneeyyy kmoonneeyyy

25-06-2017
Mathematics

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A(r)=πr^2 to the nearest hundredth, what is the value of A(8)? (use 3.14 for pi.)

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ghanami ghanami

25-06-2017

hello :
A(r)=π×r²

A(8) = π×8² = 3.14×64 =200.96≃201

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