*A bucket in the shape of a frustum with the top and bottom circles of rarii 15cm and 10cm. Its depth is 12cm. Find its curved surface area and total surface area.
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(Express the answer in terms of π)
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[[Image:frustum of cone.png|link=https://karnatakaeducation.org.in/KOER/en/index.php/File:Frustum_of_cone.png]]