3. Raghav has to paint two cylindrical pillars.
(i) The first pillar has a diameter of 1.4 m and a
height of 5 m. What is its lateral surface area?
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A cylindrical piller has a diameter of 56cm and is of 35m high. There are 16 pillars around the building. Find the cost of painting the curved surface area of all the pillars at the rate of Rs.5.50 per 1m
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very bad question and answers of chapter and the practical
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