The diameter of the lower and upper ends of a bucket in the form of a frustum of a cone are 10 cm and 30 CM respectively. If it's height is 24 CM, find:
(1) The area of the metal sheet use to make the bucket.
(2) Why we should avoid the bucket made by ordinary plastic?
shabanakhoyee:
Is 24 the perpendicular height or slant height
Please answer fast so as to I'll be able to continue
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