Answer:
here is your ans
mark it as brainliest if you think so❤️
Answer:

Step-by-step explanation:
The equation of a circle is
where
is the center of the circle and
is the radius.
Since the center is
, and the radius is
, then the equation of the circle graphed is
.
Answer:
the answer is 25
Step-by-step explanation:
Step-by-step explanation:
Diameter = 2r
= 7.7 = 2r
7.7/2 = r
3.85=r