volume and surface area of a solid hemisphere are numerically equal .find the diameter of the hemisphere
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Volume (Hemisphere)=32πr3
Surface area=3πr2
∴3πr2=32πr3
⇒r=29
⇒2r=9
What is the diameter of the hemisphere? Let the radius of the hemisphere be x units. Hence, the diameter of the hemisphere is equal to 9 units.
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