a vessel is in the form of hemispherical bowl mounted by a hollow cylinder. diameter of hemisphere vis 14 cm and total height of vessel is 13 cn. fimd the inner surface area of the vessel
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Answer:
Height of cylinder= Height of bowl− Radius of hemisphere=13−7=6 cm
Now, capacity of bowl = Volume of hemisphere + volume of cylinder
=
3
2
πr
3
+πr
2
h
=
3
2
×
7
22
×7
3
+
7
22
×7
2
×6
=
3
(2×22×49)
+22×42
=
3
2156
+924
=718.67+924
=1642.67cm
3
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