Respuesta :

Answer:

[tex]p=48 ~units[/tex]

Step-by-step explanation:

[tex]x^2=12^2+9^2[/tex]

[tex]x^2=144+81[/tex]

[tex]x^2=2225[/tex]

[tex]x=15[/tex]

[tex]p=15+15+18[/tex]

[tex]p=48 ~units[/tex]

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hope it helps...

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Answer:

p=48 units

Step-by-step explanation:

hope it helps..

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