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.