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A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter 'l' of the hemisphere is equal to the edge of the cube

. Determine the surface area of the remaining solid .


The remaining surface area of yhe cube will be equal to the

total surface area - area of the base of the sphere.
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The remaining surface area will be equal to the total surface area of cube  the circular base area plus the curved surface area of the hemisphere.

Answer- 6 L square - Pi l/2 square + 2 Pi l/2square
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