Answer:

Step-by-step explanation:
We want to find equation of a circle with center (-4,6) and radius 9cm.
The equation of a circle with center (h,k) and radius
units is given by;

We substitute the radius and the center to obtain;

The required equation is:

Answer:
802.75 pi
Step-by-step explanation:
Answer: Because Point A is negative and the same distance below 0 on the number line as Point B is above it, Point B is both positive and the opposite of Point A.