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  • An open metallic bucket is in the shape of a frustum of a cone, mounted on a hollow cylindrical base made of the same metallic sheet.

Write ‘True’ or ‘False’ and justify your answer in the following:

An open metallic bucket is in the shape of a frustum of a cone, mounted on a hollow cylindrical base made of the same metallic sheet. The surface area of the metallic sheet used is equal to curved surface area of frustum of a cone + area of circular base + curved surfacearea of cylinder

Answers (1)

Answer True

Solution

            According to question, here is a metallic bucket in the shape of a frustum of a cone, mounted on a hollow cylindrical base made of the same metallic sheet.

           

            The surface area of figure (A) is the surface area of (a), (b), (c)

            (a) = curved surface area of frustum

            (b) = area of circular base

            (c) = curved area of cylinder

            Total surface area = curved surface area of frustum of cone + area of circular base + curved surface are of cylinder.

            So the given statement is True.

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