7 The cost of fencing a square garden is rupees 400 at the rate of rupees 1 per meter
calculate the area of the garden in m²
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Answer:
137378m2
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Cost of fencing the square field=Rs.400
Cost of fencing 1m =Rs.1
Perimeter of the field=Rs.400÷Rs.1=400m
Perimeter of square=4×side
4×side=400m
Side=100m
Area of square=side×side
Area of square=100×100
=10000m^2
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