Question

the cost of levelling a square lawn at rupees 15 per square metre rupees 19935 find the cost of fencing the lawn at rupees 22 per metre ​

Answer 1

The cost of levelling a square lawn= 19935

area of square lawn,

so, 19935/15=1329m sq

area of square =length *length

length =

$\sqrt{1329}$

=36.45m sq

perimeter of square lawn =4*length

4*36.45

=145.80m

cost of fencing = 22per m

=22*145.8

=3207.6 Rs

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