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

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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