Question

2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The
diameter of the hemisphere is 14 em and the total height of the vessel is 13 cm. Find the
inner surface area of the vessel.
a cone of radius 35 cm mounted on a hemisphere of same radius.​

Answer 1

Step-by-step explanation:

Radius=7cm

Height of the cylindrical portion13−7=6cm.

Area of a Curved surface of cylindrical portion is,

$2\pi \: r$

=2×22/7×7×6

=2×22×6

=

${264cm}^{2}$

Area of a curved of hemispherical portion is

$2\pi {r}^{2}$

=2×22/7×7×7

=2×22×7

=

${308cm}^{2}$

∴ total surface area is =308+264=

${572cm }^{2}$

HOPE IT HELPS