Question

the area of rectangular field is o.5 ha. if one side is 12.5 m. find the another side?

Answer 1

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$Area = 0.5\: Hectares \\\implies 0.5\times 10,000 m^{2} \\\implies 5000 m^{2} \\ Area\: of \:rectangular \:field = L\times B \\\\ 5000 = L\times 12.5\\\implies \frac{5000}{12.5} \\\implies 400\: m$

Answer is (400×12.5)

Length = 400 m