Question

please solve this in step by step only 9 not 8​

Answer 1

Answer:

Circumference = 2×3.14×3

=6.28×3

= 18.84 m.

Cost of fencing = Rs.3 per meter

= 18.84m × 3

= Rs.56.52

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Answer 2

Answer:

Perimeter of a circle = 2π r

= 2 × 3.14 × 25

= 157 m

cost of fencing 1m = Rs. 3

cost of fencing 157 m = 157 × 3

=Rs. 471

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