SOLUTION: what is the surface area of a hemisphere given that the radius of the great circle is 6.2 centimeters?

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Question 303882: what is the surface area of a hemisphere given that the radius of the great circle is 6.2 centimeters?
Answer by london maths tutor(243)   (Show Source): You can put this solution on YOUR website!
hemisphere = 1/2 of a sphere
Surface area of a sphere = where r = radius
Therefore, surface area of a hemisphere:

= 241.5 cm^2

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