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a right triangle whose sides are 3 cm and 4cm (other than hypoteneuse) is madeto revolve about its hypoteneus.Find its volume and surface of the double so formed

a right triangle whose sides are 3 cm and 4cm (other than hypoteneuse) is madeto revolve about its hypoteneus.Find its volume and surface of the double so formed 

Grade:12

1 Answers

Ravi
askIITians Faculty 69 Points
7 years ago
You can either use the integration to find the volume(triple integration)
OR
Consider the solid to be formed of 2 cones joined at the base. with slant height 3 and 4cm & radius of both being equal to the length of perpendicular dropped from the 90 vertex to the hypt.

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