A dome of a building is in the form of a hemisphere. From inside it was white washed at a cost of 498.96 rs at a rate of 2 rs per sqm
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so its CSA will be,
CSA of hemisphere=Total cost/Rate
= 498.96/2
= 249.48 sqm
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Answer:
Step-by-step explanation:
After finding the inner surface area we multiply it to the cost @ of which it is painted.here using that tactic u can compare the inner surface area of hemisphere with the above given cost ,u will get radius , which u can use to find surface area
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