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Cylindrical pillars are to be made for a flat whose radius is 15cm and height is 3.5m. What is the total amount of concrete (in cm3) required to make 15 identical pillars? (Take π = \(\frac{22}{7}\))

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A cylinder's volume is π r² h, and its surface area is 2π r h + 2π r².


Cylindrical pillars are to be made for a flat whose radius is 15cm and height is 3.5m. What is the total amount of concrete (in cm<sup>3</sup>) required to make 15 identical pillars? (Take π = \(\frac{22}{7}\))






 
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