1.

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

Answer»


ANSWER :`782(4)/(7) CM^(2)`


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