emiliano11222 emiliano11222
  • 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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gmany
gmany gmany
  • 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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