The total surface area of a solid hemisphere of radius 3.5 metre is covered with canvas @ 20
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2309.07 Rs (The question wasn't clear but I made an assumption that the costing is 20 cm²)
Step-by-step explanation:
- Total surface area of hemisphere = 3 * π* radius²=115.45353 cm²(putting the values)
- Cost = 20 * total surface area
Hope it helps
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