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An oil funnel made of tin sheet consists...

An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to 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).

Text Solution

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The correct Answer is:
`782(4)/(7) cm^(2)`
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