



 
Chris, Since 48 is half of 96 it looks to me that your dome is half a sphere of radius 48"
The surface area of a sphere is 4 π r^{2} where r is the radius of the sphere so the surface area of your dome is half of that. Penny Chris, We know that another name for a dome is half of a sphere, surface area = 4 π r^{2} we need to modify it because the dome will only be half of the sphere.
 


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