How to express the equation of circle in plane rectangular coordinate system?
The center of the circle is (a, b), and the radius is r
The equation is (x-a) 178; + (y-b) 178; = R & # 178;
The center of the circle is (a, b), and the radius is r
The equation is (x-a) 178; + (y-b) 178; = R & # 178;