Respuesta :

aryanaj85
the answer is 7.5 because you divide the circumference in half. Half of 15 is 7.5.
 
toporc
The circumference is pi times the diameter. The diameter is twice the radius.
[tex]Radius=\frac{circumference}{2\pi}=\frac{7.5}{\pi}[/tex]
The answer is:
[tex]\frac{7.5}{\pi}[/tex]