) Aright triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm.
Find the volume of the solid so obtained.
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Step-by-step explanation:
When we revolve a right angle triangle, we get a conical shape.
So, here, height of cone, `h = 12cm`
Radius of cone, `r = 5cm`
Volume of cone, `V = 1/3pir^2h`
`V = 1/3**22/7**5**5**12=2200/7 = 314.21cm^3`
So, volume of obtained solid will be `314.21cm^3`.
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