Q.

A right triangle with sides 5 cm, 12 cm, and 13 cm is revolved about the side 12 cm. Then the volume of the cone thus formed is

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a

39213cm3

b

30058cm3

c

258cm3

d

31427 cm3

answer is A.

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Detailed Solution

Question Image

h=12cm

r=5cm
Volume =13πr2h

=13×227×25×12

=22007

=31427cm3

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A right triangle with sides 5 cm, 12 cm, and 13 cm is revolved about the side 12 cm. Then the volume of the cone thus formed is