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Area of Cube
What is the area of cube?
The Surface Area of a Cube Formula is, Surface area of Cube = 6a2,
where “a” is the side length of the cube.
Are of Cube = a2 + a2 + a2 + a2 + a2 + a2
=6a2
Area of Hollow Hemisphere
Let inner radius of a hollow hemisphere be r1
Let outer radius of a hollow hemisphere be r2
Total surface area=outer surface area + inner surface area+ area of ring
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