the external and internal radii are 15 cm and 16cm respectively.find the cost of painting the bowl at the rate of 35 paise per cm² if a)the area of the edge of the bowl. b) the area of the edge of the bowl is taken into account.
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the external and internal radii are 15 cm and 16cm respectively.find the cost of painting the bowl at the rate of 35 paise per cm² if a)the area of the edge of the bowl. b) the area of the edge of the bowl is taken into account.
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