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Surface Areas And Volumes

Question 9:

A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in given figure. If the height of the cylinder is 10 cm, and its base is of radius 3.5 cm, find the total surface area of the article.

Answer:

Given that,

Radius (r) of cylindrical part = Radius (r) of h...

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