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A path 5 m wide runs along inside a square park of side `100 m.` Find the area of the path. Also find the cost of cementing it at the rate of `Rs250`

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A path 5 m wide runs along inside a square park of side `100 m.` Find the area of the path. Also find the cost of cementing it at the rate of `Rs250` per `10m^2.`
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AB=PQ-5-5=90m
BC=90m
Area of path=(100*100)-(90*90)
=10000-8100
=1900`m^2`
Cementry cost=1900*25=47500Rs.
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