$\"\"$

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A square with length is $\"\"$ .

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Therefore, $\"\"$ .

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Find perimetr of the square.

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Perimeter of the square is $\"\"$ .

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Multiply)

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Therefore, perimeter of the square is $\"\"$ .

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$\"\"$

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Find area of the square.

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Area of the square is $\"\"$ .

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$

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The area of the square is $\"\"$ .

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$\"\"$

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

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The area of the square is $\"\"$ .