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deep.18 cm5. An oil funnel made of tin sheet consists of a10 cm long cylindrical portion atached to afrustum of a cone. If the total height is 22 cm,diameter of the cylindrical portion is 8 cm andthe diameter of the top of the funnel is 18 cm,on.22 cm10 cmfind the area of the tin shet required to make8 cmthe funnel (see Fig. 13.25).Fig. 13.25

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