4 mark question : 1. The frame of a lampshade is cylindrical in shape. It has base diameter 28 cm and height 17 cm. It is to be covered with a decorative cloth. Margins of 2 cm is to be given for folding it over top and bottom of the frame. If 1/2 of cloth is wasted in cutting and pasting, find how much cloth is required to be purchased for covering the frame.
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don't understood। type it in Bangla language
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