The perimeter of a square garden is 84m. Find the cost of ploughing it at rupees 4/m square
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Answer:
Let the side of square garden is x
perimeter of square garden =84
4×x=84
x=84÷4
x=21
cost of ploughing it is ₹4
it's total cost is=21×4
=₹84
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Answer:
Perimeter of square = 4×side = 84m
Side of square = P/4= 84/4
= 21m
Total area of square= side×side
= 21×21
=441m²
Now, as cost of ploughing 1m² field is= ₹4
Total cost of ploughing field= 441×4
=₹1761
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