Respuesta :

Answer:

O. 12.65 cm

Step-by-step explanation:

A diamter is twice the size of a radius. Since they give you the size of the diameter, divide it by 2 to find half of it.  This will give you the radius.

25.3 / 2 = 12.65

talicea1002

Answer:

O 12.65

Step-by-step explanation:

Divide the diameter (25.3) by 2 to get the radius. Radius is just half the circle. And if you ever need to find the diameter, square the radius.