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 13cm. Find the inner surface area of the vessel .
Answers
Answered by
3
ANSWER
Radius=7cm
Height of the cylindrical portion13−7=6cm.
Area of a Curved surface of cylindrical portion is,
=2πrh
=2×
7
22
×7×6
=264cm
2
Area of a curved of hemispherical portion is
=2πr
2
=2×
7
22
×7×7
=308cm
2
∴ total surface area is =308+264=572cm
2
.
Similar questions