Question

a right triangle with sides 6 cm, 8 cm and 10cm is revolved around the side 8 cm. find the volume so formed

Answer 1

h=8cm r=6cm and l=10cm (as it is revolved around the side which is 8cm long.).
vol. of cone = 1/3pie r^2h
                   => 1/3 pie 36x8
                   => 1/3 pie x 288
                   => pie x 96
                   => 301.44cm^2
            Therefore, the volume of the cone is 301.44cm^2.
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