three Find 4. A piece of square-shaped land has an area equal to 144 hectare. Find the cost of fencing it, if 1 m wire costs 3.50. rate
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Answer:
Area of square= side x side
144 = side²
... Side = 12 cm.
Perimeter of square = 4 x side = 4 x 12
= 48 cm
The cost of fencing 1 m = Rs 3.5
So, the cost of fencing 48 m = Rs (3.5 × 48)
= Rs168.
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