The perimeter of a rectangular playground is $121.2 m$ . What is the length if its width is $25.4 m$ ?

$38.6 m$

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$30.6$

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$41.7 m$

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$35.2 m$

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Solution

The correct option is D
$35.2 m$

Explanation for correct option
$o p t i o n D$
Given,
Perimeter of rectangular playground $=$ $121.2 m$
Breadth of rectangular playground $=$ $25.4 m$
Length of rectangular playground $=$ $\frac{p e r i m e t e r}{2} - b r e a d t h$
$= \frac{121.2}{2} - 25.4 = 60.6 - 25.4 = 35.2 m$
Hence, the $o p t i o n D$ is correct answer.

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