Click here for EXAMPLE 2 EXAMPLE 1: Find the center and radius of a circle (x – 1)² + (y – 4)² = 16 SOLUTION: The standard equation of a circle is: (x – h)² + (y – k)² = r² where (h, k) is the center of a circle and r is the radius of a circle. … Read More »How to Find Center and Radius from Equation of Circle (e.g 1)