Respuesta :

celinabangtan

Answer:

D (I think)

Step-by-step explanation:

I used a right triangle calculator and that was the answer

Below is the process the calculator did, hope it helps.

[tex]c = \sqrt{a^{2} +b^{2}[/tex]

[tex]\sqrt{12^{2} + 9^{2} } = 15[/tex]

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