Respuesta :

Hi1315

Answer:

[tex]r = 22.5in[/tex]

Step-by-step explanation:

[tex]d = 2r \\ 45 = 2r \\ \frac{45}{2} = \frac{2r}{2} \\ r = 22.5in[/tex]

Answer:

if the diameter is 45 in the radius would be 22.5 in

Step-by-step explanation:

The radius is half of the diameter.