Garden plot

Calculate how many meters of fence need to fence the square garden with length and width of 12 meters.

Correct answer:

x =  48 m

Step-by-step explanation:

$$\begin{gathered} a=12\text{ m } \\ b=a=12\text{ m } \\ x=2(a+b)=2(a+a) \\ x=4\cdot a=4\cdot 12=48\text{ m} \end{gathered}$$

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