Respuesta :

Answer:

radius= 4.5

Step-by-step explanation:

to find the radius of a circle given circumference you have to use the formula:

r=C/2π

divide: 28.27 / 2π

this equals

4.5

your welcome!

Answer:

4.5

Step-by-step explanation:

r=c/2*pi.....28.27/2 times 3.14= 4.5 Hope this helped!