1.

A toy is made in the form of hemisphere sumounted by a right cone whose circular base is joined with the plane surface of the hemisphere . The radius of the base of the cone is 7 cm and its volume is 3/2 of the hemisphere . Calculate the height of the cone and the surface area of the toy correct to 2 places of decimal (Take pi= 3 1/7)

Answer»


Answer :SLANT Height of CONE (l) = 22.14 cm, SURFACE AREA of TOY = `795.08 cm^2`


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