A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The radius of the hemisphere is 6 cm and the total height of the vessel is 19 cm. Find the capacity of the vessel.
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Answer:
Step-by-step explanation:
Given:
Radius of hemisphere and cylinder is r=7 cm
Height of cylinder is h=13 cm
Surface area of hemisphere of radius r is given by S
1
=2πr
2
Surface area of curved surface of a cylinder of radius r and height h is S
2
=2πrh
Total surface area is S=2πr
2
+2πrh
S=2π×7
2
+2π×7×13
S=280π cm
2
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