Chapter name: Surface Areas and volumes (Ncert)
Q1) A cylindrical pillar is 50cm in diameter and 3.5m in height. Find the cost of painting and the curved surface of the pillar at the rate of Rs 12.50 per m²
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Step-by-step explanation:
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Answer:
CSA of cylinder =πdh
csa=5.495m³
painting cost=5.495×12.50=68.6875
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