For this case, we have that by definition, the circumference of a circle is given by:

Where:
d: Is the diameter of the circle given by 2r, that is, twice the radius.
If we have a circle with a diameter equal to 8cm, then the circumference is given by:

ANswer:
Option C

28 x 2 = 56 half dollar coins
Answer:
Brainliest!
Step-by-step explanation:
1/3 is going to be like
1^2
------
3^2
= 1/9