What will be the perimeter of a rectangular park with length $12$ units and breadth half of it's length?

44

units

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36

units

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Solution

The correct option is B $36$ units
Length of the park = $12$ units

Breadth of the park $=$ half of the length $= \frac{12}{2} = 6$ units

Therefore, perimeter $= l + l + b + b$

$= 12 + 6 + 12 + 6$

$= 2 (12 + 6)$

$= 2 \times 18$

$= 36$ units

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