Formula of area of square is------

2 a^{2}

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a^{3}

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a^{2}

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4 a^{2}

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Solution

The correct option is B $a^{2}$

We know that all sides of the square are equal.
Let the side of square be $a .$

Since all sides are equal width and height of the square will be $a$ .
$\Rightarrow$ Area of square $= W i d t h \times H e i g h t$
$= a \times a$
$= a^{2}$
$∴$ Formula for area of square is $a^{2} .$

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Formula of area of square is------

The correct option is B a2We know that all sides of the square are equal.Let the side of square be a.Since all sides are equal width and height of the square will be a.⇒ Area of square =Width×Height =a×a =a2∴ Formula for area of square is a2.