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The perimeter is the distance around figure.

The perimeter of the rectangle is the double of sum of the length and width.

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The perimeter of the square is $\"\"$

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$\"\"$ (Substitute: $\"\"$ and $\"\"$ )

$\"\"$ (Add: $\"\"$ )

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

The perimeter of the rectangle is $\"\"$ m.