A square grass plot 600m long is bordered on outside by path 10m wide.Find the cost of paving the path at ₹250 per 100 sq metres
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Step-by-step explanation:
Given:
inner side of square park, s =100 cm
Area of inner square =100²
=10000 cm²
width of path, w=5 cm
Outer side of square =100 + 5 + 5 = 110 cm
Area of outer square =110²
=12100
Area of path =12100−10000=2100 cm²
Cost of cementing at the rate of Rs 250 per 10 sq cm = Rs 250×210= Rs 52500
∴ Cost of cementing a 2100 cm²
path =Rs. 52500
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