mad0genDebraine
mad0genDebraine mad0genDebraine
  • 23-12-2016
  • Mathematics
contestada

The human eyeball is a sphere with a surface area of 20 square cm. Find the approximate radius of the human eyeball.

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MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 26-12-2016
the surface area of a sphere is 4*pi*r^2 

so r is sqrt(20/pi) which is sqrt(1.59) = 1.26
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