Question

In a building there are 16 cylindrical pillars. The radius of each pillar is 35 cm and height is 4 cm. Find the total cost of painting the curved surface area of the pillars at the rate of Rupees 5 per m2

Answer 1

Step-by-step explanation:

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☆An acid is a molecule or ion capable of donating a proton, or, alternatively, capable of forming a covalent bond with an electron pair. The first category of acids are the proton donors, or Brønsted–Lowry acids.

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