In a building there are 24 cylindrical pillars. The radius of each pillar is 28 cm and height is 4 m. Find the total cost of painting the curved surface area of all pillars at the rate of 8 per m2 [2 MARKS]
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Q3
Find the surface area of a cylinder whose radius is 14cm and height is 28cm.
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Q4
Find the height of a cylinder if its total surface area is 2552 cm2 and the radius is 14 cm.
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Q5
In a building there are 48 cylindrical pillars.The radius of each pillar is 28cm and height is 4m.Find the total cost of pointing the curved surface area of all pillars at the rate of Rs.8 per m2