The general equation for a circle is:

Where the center is (h,k) and the radius is r.
The equation we are given is:

From this, the center is (2,-3), and the radius is
, or
.
Let me know if you have any questions, thanks!
Answer:
1222222
Step-by-step explanation:
Answer:
the answer is -4. :)
Step-by-step explanation:
Answer:
Area and Perimeter
Step-by-step explanation:
Since you already know that these shapes are equal, it also means that their area and perimeter are equal. Hopes this helps!