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Measurement of Area

The area of a...

Question

The area of a town in the form of a square is 729 sq.km. What is the length of one of its sides?

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Solution

Length of square be a
Area of square be $a^{2}$
So $a^{2} = 729$
$a = \sqrt{729} = 27$
Length of side = 27km

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