Respuesta :

Given:-

The diameter is 20feet.

To find the radius.

So now we use the formula,

[tex]r=\frac{d}{2}[/tex]

Substituting we get,

[tex]\begin{gathered} r=\frac{d}{2} \\ r=\frac{20}{2} \\ r=10 \end{gathered}[/tex]

So the required radius is 10 inches.