The radius of a circular garden is 84m. inside it there is a 7 metre wide road along its circumference. find the area of this road
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Given :
Radius of park = 84/2 = 42m
Area of road = π(45.5² - 42²)
= 962.5 m²
Cost = Area*Rate
= 962.5*200
= ₹ 192500
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