Question

a path 1m wide is built inside a square park of side 30 m along its sides. find the area of the the path . calculate the cost of constructing the path at rate of rs 70 per m².
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Answer 1

area = 116
cost =8120rs.

Answer 2

Area of path = (30×30)-(28×28)=116m^2
The cost of constructing path is= 116×70=rs 8120