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A right angled triangle ABC with sides=5cm,12cm and 13cm is revolved about the fixed side of 12cm.findthe volume of the solid generated




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The solid is a cone.

The side 12 cm becomes the altitude or the height of the apex or vertex of the cone generated.  The base of the cone is a circular area with a radius of 5 cm.

Volume of cone = 1/3 (π r²) h = 1/3 π 5²  * 12 = 100 π cm³

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