The volume of a frustrum if a cone of height h is given by the...
The volume of a frustrum if a cone of height h is given by the...
The volume of a frustrum if a cone of height h is given by the formula V= 1/3πh(R^2 Rr r^2), where R and r are the radii of its circular ends. Hollow metal hemispheres of internal and external diameters 12.5 cm and 17.5 cm, respectively, are to be cast from the molten contents of a ladle In the shape of a frustrum of a cone of depth 1.2 metres and radii of ends 0.6 m and 0.675m. calculate the number of hemispheres that can be cast.?
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