Question

The perimeter ofba square plot is 360m. Find (1)Its area, (2) Cost of fencing its boundary at the rate of rs40/meter, (3) Cost of leveling the plot at rs60/square meter.

Answer 1

If they perimeter is 360 then its side will be 90 because perimeter of a square is 4s.
therfore area will be s^2 that is 90×90 = 8100m^2.
2)perimeter is 360m and cost of 1m is 40 then its fencing cost will be 360× 40 = 14400.
3) 60 × 8100 = 486,000.
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