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GROUP 10 Sphere Equation Group . 4 questions A sphere is the set of points p = (x, y, z) in 3D space that have a constant distance called the radius R with a fixed point c = (a, b, c) defined as the sphere center. The sphere algebraic equation is : (x - a)2 + (y - b)2 + (2 - c)2 = R2 where a, b, c are the components of the center c QUESTION 10.1 Finding a Sphere Center and Radius Choose one . 5 points Find the center c and radius r of the sphere S : (x + 7)2+ (y - 4)2+ (2+9)2 = 36 O C = (7, -4, 9), T =6 O C = (-7,4, -9), T =6 O C = (7, -4,9), T = 36