Question

Part a) What is the radius of the circle?

Part b) what is the coordinate of the center of the circle?

Part c) Write the eqaution of the circle:

Answer 1

Part A) a line from any point on the circumference to the center of the circle

Answer 2

b) center of the circle is (1,-2)
a)the radius is 2
c) equation of the circle
(x-1)²+(y+2)²=4