A dome of building is in the form of a hemisphere.From inside it was white washed at the cost of rs498. 96.if the cost of white washing is rs20 per square meter find the inside surface area of the dome.
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Step-by-step explanation:
Cost=Area × Rate
498.96=Area × 20
49896/100×20=Area
49896/5=Area
9979.2=Area
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