InterviewSolution
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a circular Garden has a radius of 56 metre is 7 inside the garden around it find area of the garden also find the cost of paving the road at Rs 70 per metre square |
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Answer» ANSWER:- ⇒₹161,700 Step-by-step explaination:- Given :- • RADIUS of the garden =56m • Rate of paving garden =70 per m² • Width of the ROAD =7 m ➠AREA of circle = π r² ➠Area of circular garden =22/7×56 ×50m² ➠Area of circular garden =22×8 ×56 m² ➠Area of circular garden =176×56 m² ➠Area of circular garden =9,856 m² Now it is given that, Inner radius =(56-7)cm =49 cm ➠Inner area of garden=22/7×49×49 m² ➠Inner area of garden =22×7×49 m² ➠Inner area of garden = 154×49 m² ➠Inner area of garden =7,546 m² Area of road which is present between the outer and inner circular garden = (9856-7546) m²=2310 m² Total COST of paving road at ₹70 /m²=₹ 2310×70=₹161,700 Therefore,Total cost of paving the road =₹161,700 |
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