The formula for the perimeter of a rectangle is:

(l + b)

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2 (l + b)

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2 (l \times b)

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(l \times b)

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Solution

The correct option is A $2 (l + b)$

Here, $A B C D$ is a rectangle.

Let the length and breadth of the rectangle be $l$ and $b$ respectively.

$∴$ Perimeter of rectangle $A B C D = A B + B C + C D + D A$

$= l + b + l + b$

$= 2 l + 2 b$

$= 2 (l + b)$

$∴$ The formula for the perimeter of a rectangle is $2 (l + b) .$

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