CBSE Class 10 Maths (Basic) 2025 · Paper 430/1/1 · Question 34(b)
A cubical block is surmounted by a hemisphere of radius 3.5 cm. What is the smallest possible length of the edge of the cube so that the hemisphere can totally lie on the cube? Find the total surface area of the solid so formed.
Answer
The smallest edge of the cube is cm, and the total surface area of the solid is cm .
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