Diameter of hemisphere = Edge of cube = l

Radius of hemisphere = l/2

Total surface area of solid = Surface area of cubical part + CSA of hemispherical part − Area of base of hemispherical part

= 6(edge)^{2} + 2π r^{2 } - π r^{2}^{}

= 6(edge)^{2 }+ π r^{2}

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