a rectangular plot is 43 m long and 27 m broad.it has a 1.5 wide gravel path running all around it find the area of the path and the cost of constructing it at cost of rupees 120 per m^2
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area of rectangular path = external area - internal area
= 46×30 - 43×27
= 1380 - 1161
= 219m^2
cost of constructing = 120 × 219 = 26280 rs
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