CBSE Class 10 Answered
A
vessel is in the form of hemispherical bowl surmounted by a hollow cylinder
of same diameter. The diameter of the hemispherical bowl is 14 cm and the
total height of the vessel is 13 cm. Find the total surface area of the
vessel.
Asked by Topperlearning User | 27 Jul, 2017, 02:37: PM
Expert Answer
Let the radius and height of cylinder be r cm and h cm respectively.
Diameter of the hemispherical bowl = 14 cm
Radius of the hemispherical bowl = Radius of the cylinder = r
Total height of the vessel = 13 cm
Height of the cylinder, h = 13 cm - 7 cm = 6 cm
Total surface area of the vessel = 2 (curved surface area of the cylinder + curved surface area of the hemisphere)
(Since, the vessel is hollow)
= 1144 cm2
Answered by | 27 Jul, 2017, 04:37: PM
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