the radius of sphere is r cm.. it is divided into two equal parts.. find the whole surface area of two parts
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When the sphere is divided in two parts it will make 2 hemispheres
Area of both hemispheres=2(3πr^2)
=6πr^2
Area of both hemispheres=2(3πr^2)
=6πr^2
Answered by
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Sphere is cut into 2 equal parts means it will be a hemisphere
So total surface area of hemisphere is = 3πr^2
So total surface area for 2parts is
2x3πr^2
So total surface area of hemisphere is = 3πr^2
So total surface area for 2parts is
2x3πr^2
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