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+2 votes
6.8k views
in Mathematics by (130k points)

A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.

1 Answer

+2 votes
by (13.2k points)
 
Best answer

Solution: Radius = 7 cm

Height of cylindrical portion = 13 – 7 = 6 cm

Curved surface are of cylindrical portion can be calculated as follows:

10 surface area volume exercise solution

Curved surface area of hemispherical portion can be calculated as follows:

10 surface area volume exercise solution

Total surface are = 308 + 264 = 572 sq cm

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