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The area of a square courtyard is 4489 \(m²\). Find the perimeter and the total cost of painting the square courtyard at a rate of \(₹\)6 per \(m\).
Side of a square courtyard \(=\) \(m\).
The perimeter of a square courtyard \(=\) \(m\).
The total cost of cementing the square courtyard \(= ₹\).
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