garden is in the circular shape whose area is 9856m². calculate the cost of fencing the garden at 5 per metre.
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total cost is 98560 of fencing
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Answer:
Cost of fencing = 1760 Rs
Step-by-step explanation:
Area of garden = 9856 m²
π r² = 9856
22/7 x r² = 9856
r² = 9856 x 7/22
= 448 x 7
= 64 x 7 x 7
= (8 x 7)²
∴ r = 56 m
Perimeter of garden P = 2πr
= 2 x( 22/7) x 56
= 2 x 22 x8
= 352m
Cost of fencing = perimeter x rate
= 352 x 5
= 1760 Rs
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