Question

A path 5 m wide runs along inside a square park of side 100 m. Find the cost of cementing the path at the rate of rs 100 per 10 sq metre.
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Answer 1

Answer:

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Answer 2

Answer :

given ,  

length of the big square = 100 m

length of the small square = 5 m  

Side of the smaller square = Side of the bigger square - 2(width of the path)  

                                         = 100 - 2(5)  

                                         = 90 m  

Area of the path = (100)² - (90)² = 10000 - 8100 = 1900 sq m  

Cost of cementing at the rate of Rs 250 per 10 m² = 250 x 190 = Rs 47500  

Step-by-step explanation:  

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