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06-06-2018
Mathematics

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what is the value of a(8) the surface area of a sphere with a radius of 8 units

what is the value of a8 the surface area of a sphere with a radius of 8 units class=

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17-06-2018

[tex]A(r)+4\pi r^2\\\\r=8\\\\substitute:\\\\A(8)=4\pi\cdot8^2=4\pi\cdot64=256\pi\\\\Answer:\ D.\ 256\pi[/tex]

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