If the length of a rectangle is $4 x$ and its breadth is $2 x$ , then the area of the rectangle is:

6 x

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6 x^{2}

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8 x

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8 x^{2}

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Solution

The correct option is D $8 x^{2}$
We know that
Area of a recatngle = $l e n g t h \times b r e a d t h$
Hence:
Area of the given rectangle is $(4 \times x \times 2 \times x$ ) = $8 \times x \times x$ = $8 x^{2}$

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