a milk container is made of metal sheet in the shape of a frustum of a cone whose volume is 10459 2 / 3 cm cube the radii of the lower and upper circular and are 8 cm and 20 CM respectively find the cost of metal sheet used in the making of the container at the rate of 1.40 per square centimetre used π as 22 by 7
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it only can be done by paper work i will send pics of this question
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