cindislyon cindislyon
  • 14-05-2018
  • Mathematics
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What is the effect on the surface area of a sphere if the radius is divided by 2?

Respuesta :

calculista
calculista calculista
  • 24-05-2018
we know that
surface area of a sphere=4*pi*r²

if the radius is divided by 2
then
new surface area of a sphere=4*pi*(r/2)²----> (1/4)*[4*pi*r²]
so
the new surface area is a quarter of the original

the answer is
the new surface area is a quarter of the original
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