Answer :
Answer:
The radius is 4.
Step-by-step explanation:
Concepts:
- Diameter is usually defined as a straight line passing through the center of a circle or sphere and meeting the circumference or circle at each end.
- Radius is usually defined as a straight line extending from the center of a circle or sphere to the circumference of surface. (Half of diameter).
To figure this out:
R = 1/2 d
R = 1/2 8
R = 4