1.

Find the cost of fencing around a circular field of diameter 28 m at the rate of rs.1.50 a meter?

Answer»

d = 28m

Therefore , R = 14m

Circumference of circular FENCE = 2πr

= 2 × 22/7 × 14

= 88m

Cost = Circumference × RATE

=Rs (88×1.50)

=Rs 13.20



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