The diameter of a circular park is 84 m. A 3.5 m wide road runs on the outside around it. Find the cost of constructing the road at Rs 200 per sq.m
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Answer:
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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