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