If the side of a square is $a$ , then area and perimeter can be found by using the formulae _____.

a², 4a

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a², 2a

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2a², 4a

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2a², 2a

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Solution

The correct option is A
a², 4a

Area of square = $s i d e^{2}$ = $a^{2}$

And we know that the perimeter of square = 4 × side = 4a.

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