Respuesta :
Hey !!
HERE'S YOUR ANSWER:
Diameter(d)=8 units
radius(r)=8/2=4 units.
So the right answer is 4 units.
Look at the attached picture
Hope it will help you.......
You should divide the diameter by 2 to get the radius. Since the diameter is 8 units here, the radius is 8/2 which is 4 units. So the answer is 4 units.