Question

right angle triangle ABC with side 5 cm 12 cm and 13 cm is revolved about the side 12 cm find the volume of solid so obtained​

Answer 1

From the figure it is clear that a cone is formed.

Here, h = 12 cm, r = 5 cm

Volume of cone =

= 314 cm3

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Answer 2

Answer:

Step-by-step explanation:

as the right triangle is revolved about the side 12cm ,

a cone is formed .

slant height (l) = 13 cm

radius (r) = 5 cm

height (h) = 12 cm

volume of cone = 1/3π r^{2} h

                            = 1/3*22/7*5*5*12

                           =314.28

                           = 314.3cm3