Centre is at the middle or the midpoint of the diameter.
And the formula of midpoint is

For the given question, x1=-4, y1=2, x2=2, y2=-8
So we will get

And that's the required centre .
Answer:
18.75 or 18 3/4
Step-by-step explanation:
Answer:
Step-by-step explanation:--0.9
Answer:

Step-by-step explanation:
