Find the center and radius of the circle x2+y2=100x^2 + y^2 = 100x2+y2=100.
Center: (0,0)(0,0)(0,0), Radius: 101010
Center: (10,0)(10,0)(10,0), Radius: 101010
Center: (10,10)(10,10)(10,10), Radius: 101010
Center: (0,0)(0,0)(0,0), Radius: 100100100