Respuesta :

Answer:

The radius of its base is 13.

Step-by-step explanation:

[tex]A = \pi r^{2} \\169\pi = \pi r^{2} \\\\\frac{169\pi}{\pi} = \frac{\pi r^{2}}{\pi} \\169 = r^{2}\\\sqrt{169} = r\\ 13 = r[/tex]

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