Math, asked by nashrahyd786, 1 year ago

Twenty cylindrical pillars of a building are to be cleaned. If the diameter of the pillar is 0.5m and height 4m,What will be the cost of cleaning them at the rate of Rs.3 per square meter

Answers

Answered by abhi63715

1

surface area of cylinders = 20× 2π0.25×4 880/7m²
cost = 880/7×3
Rs. 41.904

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