Mathematics, 22.03.2021 17:00 sti192

In a building there are 14 pillars. The radius of each pillar is 21 cm and height 3.5 m. Find the cost of painting the curved surface area of all pillars at the rate of 12 per m².

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In a building there are 14 pillars. The radius of each pillar is 21 cm and height 3.5 m. Find the co...