ConceptSurface Areas and Volumes Examples and Solutions

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#### Question

An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to a frustum of a cone. If the total height is 22 cm, diameter of the cylindrical portion is 8 cm and the diameter of the top of the funnel is 18 cm, find the area of the tin sheet required to make the funnel (see the given figure).

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Solution for question: An Oil Funnel Made of Tin Sheet Consists of a 10 cm Long Cylindrical Portion Attached to a Frustum of a Cone. If the Total Height is 22 cm, Diameter of the Cylindrical Portion is 8 Cm and the Diameter of the Top of the Funnel is 18 Cm concept: Surface Areas and Volumes Examples and Solutions. For the course CBSE