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12. Find the perimeter, distance, cost using the distance and area

The length and breadth of the rectangular courtyard are 192

$m$ and 54

$m$ . Find the cost of levelling it at the rate of

$₹$ 7 per

$m²$ . Find the distance covered by a boy if he makes 4 rounds around the courtyard.

The perimeter of the courtyard is

$m$ .

Area of the courtyard is

$m²$ .

Distance covered by the boy in taking 4 rounds is

$m$ .

The total cost of levelling is

$₹$ .

$1$

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