What is the radius of a circle whose equation is x2 y2 July 8, 2019 16 32 64 128 What is the radius of a circle whose equation is x2 y2 8x 6y 21 0 What is the radius of a circle whose equation is x2 y2 10x 6y 18 0 What is the radius of a circle whose equation is x2+y2+8x Find the equation of the circle X + y = 2
