Respuesta :

Hi1315

Answer:

[tex]2.5cm[/tex]

Step-by-step explanation:

[tex]d = 2r \\ 5 = 2r \\ \frac{5}{2} = \frac{2r}{2} \\ 2.5 = r[/tex]

am4544

Answer:

2.5

Step-by-step explanation:

d=2r

2r=5

r= 5/2

r=2.5