Respuesta :
Answer:
l = 12
Step-by-step explanation:
Let l=length
The side of a square s=3
l = 4s = 4*3 = 12
Answer:
[tex]12[/tex]
Step-by-step explanation:
[tex]length = 4 \times side \\ = 4 \times 3 \\ = 12[/tex]
hope this helps
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