Respuesta :

misseve20

Answer:

60

Step-by-step explanation:

[tex]r^{2} +32^{2} = (r+8)^{2}[/tex]

[tex]r^{2} +1024=r^{2} +16r + 64[/tex]

[tex]960 = 16r[/tex]

[tex]60=r[/tex]