Respuesta :

Answer: [tex]\sqrt{\frac{252}{28\pi}}[/tex] = 1.69cm.

Step-by-step explanation:

[tex]V=\pi r^{3}h[/tex]

[tex]252\ =\ \pi r^{2}\cdot28[/tex]

[tex]r^{2}=\frac{252}{28\pi}[/tex]

[tex]r=\sqrt{\frac{252}{28\pi}}[/tex]

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