Answer:
The center of the circle is
.
Step-by-step explanation:
The center of the circle is the midpoint of the segment between the endpoints. We can determine the location of the center by this vectorial expression:
(1)
Where:
- Center.
,
- Location of the endpoints.
If we know that
and
, then the location of the center of the circle is:



The center of the circle is
.
D because it is the only one that is unpredictable
To answer the problem you take 13 and minus -2 to get 15 and divide 15 by 5/4 and you get 12.
Hope I help. :)