Complete the square and write the equation in standard form. then give the center and radius of the circle. 10x2 + 10y2 = 100 question 20 options: x2 + y2 = 10 (0, 0), r = 10 x2 + y2 = 10 (0, 0), r = x2 + y2 = 100 (0, 0), r = 10 (x - 10)2 +(y - 10)2 = 10 (10, 10), r =