What will be the cost of Fencing; a circular field whose area is 1386 sq.m.The cost of fencing is Rs. 5 per meters.
Let radius of circle be 'r' meters.
$${\pi}\times{r^{2}}=1386$$.
$$r=21$$m.
Circumference of circle = $$2\times{\pi}\times{r}$$.
=132 meters.
Cost of fencing = $$132\times5$$.
=Rs. 660.
Hence, Option A is correct.
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