A right angled triangle whose base is 21 cm and height is 20 cm, is made to turn round on the longer side. If the volume of the solid, thus generated V and the curved surface area is S, then __________

\[V=8820\text{ }c{{m}^{3}},\text{ }S=1885\text{ }c{{m}^{2}}\]

\[V=9240\text{ }c{{m}^{3}},\text{ }S=1914\text{ }c{{m}^{2}}\]

\[V=3820\text{ }c{{m}^{3}},\text{ }S=1685\text{ }c{{m}^{2}}\]

\[V=8240\text{ }c{{m}^{3}},\text{ }S=1734c{{m}^{2}}\]

A right angled triangle whose base is 21 cm and height is 20 cm, is ma

1.	A right angled triangle whose base is 21 cm and height is 20 cm, is made to turn round on the longer side. If the volume of the solid, thus generated V and the curved surface area is S, then __________
A.	\[V=9240\text{ }c{{m}^{3}},\text{ }S=1914\text{ }c{{m}^{2}}\]
B.	\[V=8820\text{ }c{{m}^{3}},\text{ }S=1885\text{ }c{{m}^{2}}\]
C.	\[V=3820\text{ }c{{m}^{3}},\text{ }S=1685\text{ }c{{m}^{2}}\]
D.	\[V=8240\text{ }c{{m}^{3}},\text{ }S=1734c{{m}^{2}}\]
E.	None of these
Answer» B. \[V=8820\text{ }c{{m}^{3}},\text{ }S=1885\text{ }c{{m}^{2}}\]

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A right angled triangle whose base is 21 cm and height is 20 cm, is made to turn round on the longer side. If the volume of the solid, thus generated V and the curved surface area is S, then __________

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