Find the length of the rectangle, given that the perimeter is 24 cm and the breadth is 3 cm.

$8 c m$

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$9 c m$

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$4 c m$

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$7 c m$

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Solution

The correct option is B
$9 c m$

Given: Perimeter of the rectangle = 24 cm
Breadth of the rectangle = 3 cm
Perimeter of a rectangle = 2( Length + Breadth )
$\Rightarrow$ 24 = 2( Length + 3 )
$\Rightarrow$ 12 = Length + 3
$\Rightarrow$ Length = 12 - 3 = 9 cm

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