A rectangular lawn 70m by 50m has two roads , each 5m wide , running through its middle , one parallel to its length and the other parallel to its breadth .Find the cost of constructing roads at RS 120 per m2

Area of the road which is parallel to length

   

Area of the road which is parallel to breadth

   

Area of the common road

   

Area of the road which to be constructed

   

Cost of constructing road

Cost of constructing

   

Hence cost of constructing roads at  is.

  • 10

 area of path=575 sq m

constructing roads=69000 rupees

  • 2
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