Question

An oil funnel of tin sheet consists of a cylindrical portion 10 cm long attached to a frustum of a cone. the diameters of the top and bottom of the frustum are 18 cm and 8 cm respectively if the slant height of the frustum of the cone is 13 cm find the area of the tin required to make the funnel from the given information in the figure
$\pi = 3.14$
(Hots)​

Answer 1

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