CBSE Class 10 Maths (Standard) 2018 · Paper 30/1/1 · Question 21(a)
A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in Fig. 3. If the height of the cylinder is cm and its base is of radius cm. Find the total surface area of the article.
Answer
The total surface area of the article is cm².
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