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noiimcc,wide andipdeep18 cm5. An oil funnel made of tin sheet consists of a、 10 cm long cylindrical portion attached 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,find the area of the tin sheet required to makethe funnel (see Fig. 13.25).22 cm10 cFig, 13.25

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